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Physics | O-Levels
Cambridge
O-Levels
Physics (
Total Videos: 379
)
Preference
All Chapters
Chapter 1: Measurement of Physical Quantities
Chapter 2: Speed, Velocity and Acceleration
Chapter 3: Forces
Chapter 4: Mass, Weight and Density
Chapter 5: Turning Effect of Forces
Chapter 6: Work, Energy and Power
Chapter 7: Pressure
Chapter 8: Measurement of Temperature
Chapter 9: Simple Kinetic Theory of Matter
Chapter 10: Heat Capacity
Chapter 11: Melting and Boiling
Chapter 12: Transfer of Thermal Energy
Chapter 13: General Wave Properties
Chapter 14: Reflection and Refraction of Light
Chapter 15: Converging Lens
Chapter 16: Sound
Chapter 17: Static Electricity
Chapter 18: Current Electricity
Chapter 19: D.C. Circuits
Chapter 20: Practical Electric Circuits
Chapter 21: Simple Phenomena of Magnetism
Chapter 22: Force on Conductor in a Magnetic Field
Chapter 23: Electromagnetic Effects
Chapter 24: Introductory Electronics
Chapter 25: Radioactivity and the Nuclear Atom
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Measurement of Physical Quantities (
18 videos
)
  (
Practice Test
)
1.1: Physical Quantities and SI Units
Physical Quantities
56493 views
International Systems of Base Units
29680 views
Problem on Physical Quantities
24852 views
1.2: Prefixes for SI Units
Introduction to Prefixes
10268 views
Problem on Introduction to Prefixes
4804 views
1.3: The Measurement of Length (
Practice Test
)
Standard of Length-Meter
6721 views
Introduction to Vernier Calipers
8542 views
Measuring with Vernier Calipers
8894 views
problem on Measuring with Vernier Calipers
4149 views
Introduction to Screw Gauge
5842 views
Measuring with Screw Gauge
15856 views
Problem on Measuring with Screw Gauge
2307 views
1.4: The Measurement of Time (
Practice Test
)
Standard of Time-Second
5294 views
The Measurement of Time
3856 views
Pendulum clock
271 views
Watch
92 views
Measuring Time by Stopwatch
3452 views
Ticker-Tape Timer
306 views
Chapter 2 Speed, Velocity and Acceleration (
14 videos
)
  (
Practice Test
)
2.1: Distance and Displacement
Difference Between Distance and Displacement
21168 views
2.2: Speed and Velocity
Introduction to Speed
4561 views
Problem on Introduction to Speed
2531 views
Introduction to Velocity
18502 views
2.3: The Displacement -Time Graph
Linear Distance-Time Graph
7612 views
Problem on Distance-Time Graph
2818 views
Instantaneous Speed and Velocity
3137 views
2.4: Acceleration
Introduction to Acceleration
12317 views
Problem on Introduction to Acceleration
6449 views
Average Acceleration and Retardation
6839 views
2.5: The Velocity-Time Graph
Speed-Time Graph
11825 views
Problem on Speed-Time Graph
5822 views
2.6: Acceleration of Free Fall, g
The Acceleration of Free Fall-g
415 views
2.7: Terminal Velocity (Optional)
Terminal Velocity
3853 views
Chapter 3 Forces (
16 videos
)
  (
Practice Test
)
3.1: The Nature of Force
Introduction to Force
9713 views
Types of Force
463 views
3.2: Scalars and Vectors
Scalars and Vectors
29558 views
problem on Representation of Vectors
3160 views
Vector Addition and Subtraction
1307 views
Addition of Vectors by Law of Parallelogram
1153 views
Problem1 on Vector Addition and Subtraction
15108 views
Problem2 on Vector Addition and Subtraction
9509 views
3.3: The Effects of Forces on Motion (
Practice Test
)
Difference Between Mass and Weight
8574 views
First Law of Newton
15598 views
Second Law of Newton
12126 views
Problem on Second Law of Newton
5721 views
3.4: Newton's Third Law (Optional)
Third Law of Newton
8817 views
Advantages and Disadvantages of Friction
3639 views
3.5: Balanced and Unbalanced Forces
Balanced Forces
236 views
Unbalanced Forces
142 views
Chapter 4 Mass, Weight and Density (
7 videos
)
  (
Practice Test
)
4.1: Simple Magnetism and Magnetic Fields (
Practice Test
)
The Discovery of Magnetism
181 views
Properties of Magnets
482 views
Introduction to Magnetic Poles
570 views
Magnetic Force
489 views
Magnetic Field of the Earth
2345 views
Magnets and Magnetic Materials
814 views
Testing a Magnet
131 views
Induced Magnetism
377 views
Theory of Magnetism
5872 views
Electric Charge
15914 views
Electrical Nature of Matter
2322 views
Measurement of Electric Charge
379 views
Problem-Measurement of Electric Charge
2326 views
Production of Electric Charges
5976 views
More on Production of Electric Charges
3620 views
Electrostatic Induction
9275 views
Field of Force
17938 views
Electric Field and its Intensity
9961 views
Problem-Field of Force
6082 views
Conductors and Insulators
6832 views
4.2: Electrical Quantities (
Practice Test
)
Electric Charge
15914 views
Electrostatic Induction
9275 views
Electric Field and its Intensity
10864 views
Electric Intensity Between Two Oppositely Charged Parallel Plates
12820 views
Introduction to Electric Current
8793 views
More on Introduction to Electric Current
3580 views
Problem-Introduction to Electric Current
1032 views
Electric Current
14768 views
Problem-Electric Current
4199 views
Direction of a Current
3522 views
Steady Current
6932 views
Conventional Current
7799 views
Ammeter
10532 views
More on Ammeter
6707 views
Problem-Ammeter
2131 views
Alternating Current
14815 views
More on Alternating Current-1
8638 views
More on Alternating Current-2
7914 views
Problem-Alternating Current
2577 views
Introduction to Galvanometer
6174 views
Ammeter
2530 views
Galvanometer
21166 views
Electromotive Force and Its measurement
7945 views
Problem-Electromotive Force
678 views
The Measurement of e.m.f
2452 views
Problem-Measurement of e.m.f
642 views
Electromotive Force (EMF) and Potential Difference
22595 views
More on Electromotive Force (EMF) and Potential Difference
11087 views
Problem-Electromotive Force (EMF) and Potential Difference
2099 views
Relation Between Electromotive Force and Potential Difference and Int
3282 views
More on Relation Between Electromotive Force and Potential Difference
1705 views
Problem-Relation Between Electromotive Force and Potential Difference
899 views
Voltmeter
8935 views
More on Voltmeter
4815 views
Problem-Voltmeter
1642 views
E.M.F of Sources connected in Parallel
Resistance
2025 views
Ohm's Law
6039 views
More on Ohm's law
3374 views
Problem-Characteristics of Ohmic and Non Ohmic Conductors
1067 views
More on Ohm's law
8030 views
Problem-Ohm's Law
3130 views
Electrical Resistance
3495 views
Applications of Ohm's Law in Circuit Analysis
851 views
Ohm's law
12914 views
Factors Affecting the Resistance
5575 views
Problem 1-Specific Resistance
972 views
Problem 2-Specific Resistance
1340 views
Effect of Temperature Upon Resistance
4037 views
Problem1-Effect of Temperature Upon Resistance
1466 views
Problem2-Effect of Temperature Upon Resistance
621 views
4.3: Electric Circuits (
Practice Test
)
Representing Some Circuit Diagrams Using Electric Symbols
44 views
Series Combination of Resistors
4729 views
Problem1-Series Combination of Resistors
774 views
Parallel Combination of Resistors
3377 views
More on Parallel Combination of Resistors
881 views
Problem 1-Parallel combination of Resistors
625 views
Problem 2-Parallel combination of Resistors
542 views
Problem 3-Parallel combination of Resistors
480 views
Problem 4-Parallel combination of Resistors
475 views
Review of Series and Parallel Combination of Resistors
6017 views
More on Review of Series and Parallel Combination of Resistors
4116 views
Problem 2-Review of Series and Parallel Combination of Resistors
2359 views
Thermistor
2834 views
Light Dependent Resister (l.d.r)
79 views
Potential Divider
2986 views
Problem- Potential Divider
938 views
Electric Power
3464 views
Problem 1-Electric Power
601 views
Problem 2-Electric Power
592 views
Electrical Energy and Joule's law
7128 views
Kilowatt Hour
2899 views
4.4: Electromagnetic Effects (
Practice Test
)
Introduction to Electromagnetic Induction
7931 views
Induced EMF and Induced Current
24484 views
More on Induced EMF and Induced Current
9483 views
Factors Affecting Induced EMF
2894 views
Faraday's Law and Induced EMF
12280 views
Problem-Faraday's Law and Induced EMF
3012 views
Lenz's Law
5409 views
Lenz's Law and Direction of Induced EMF
17668 views
Problem-Lenz's Law and Direction of Induced EMF
2664 views
Lenz's Law and Conservation of Energy
5930 views
AC Generator
13183 views
Alternating Current Generator
17405 views
More on Alternating Current Generator-1
9173 views
More on Alternating Current Generator-2
6671 views
Problem-Alternating Current Generator
1726 views
Field Due to a Current Carrying Solenoid
10645 views
More on Field Due to a Current Carrying Solenoid
7424 views
Problem-Field Due to a Current Carrying Solenoid
2201 views
Back Motor Effect in Generator
8504 views
Moving Coil Loudspeaker
5859 views
Force on a Current Carrying Conductor Place in a Magnetic Field
8068 views
Problem1-Force on a Current Carrying Conductor Place in a Magnetic Fi
1482 views
Problem2-Force on a Current Carrying Conductor Place in a Magnetic Fi
1054 views
Force on a Current Carrying Conductor in a Uniform B Field
17336 views
4.5: Radioactivity (
Practice Test
)
More on Force on a Current Carrying Conductor in a Uniform B Field
10690 views
Problem1-Force on a Current Carrying Conductor Place in a Magnetic Fi
3346 views
Problem2-Force on a Current Carrying Conductor Place in a Magnetic Fi
2481 views
DC Motor
11367 views
D.C. Motor
4864 views
Transformer
7623 views
More on Transformer
4167 views
Problem1-Transformer
1022 views
Problem2-Transformer
792 views
Transformer
9675 views
More on Transformer
5473 views
Problem-Transformer
1813 views
High Voltage Transmission
3162 views
Energy Losses in Transformers
3361 views
Cathode Ray Oscilloscope
11659 views
Measuring with an Oscilloscope
379 views
Problem- Using the C.R.O
2083 views
Cathode Ray Oscilloscope
8363 views
Uses of CRO
4973 views
Chapter 5 Turning Effect of Forces (
7 videos
)
  (
Practice Test
)
5.1: Moments
Introduction to Torque or Moment of a Force
7117 views
Problem on Introduction to Torque or Moment of a Force
2401 views
Principle of Moments
5078 views
Problem on Principle of Moments
2420 views
5.2: The Center of Gravity and Stability (
Practice Test
)
Center of Gravity
5470 views
Center of Gravity of Irregular Shape
4709 views
Stability and Position of Center of Mass
3036 views
Chapter 6 Work, Energy and Power (
16 videos
)
  (
Practice Test
)
6.1: Work
Introduction to Work
9168 views
More on Introduction to Work
4214 views
Problem on Work Done by a Variable Force
4822 views
6.2: Energy (
Practice Test
)
Introduction to Energy
8462 views
Forms of Energy
5282 views
Kinetic Energy
6734 views
Problem on Kinetic Energy
3002 views
Potential Energy
7324 views
Law of Conservation of Energy
2444 views
Problem on Potential Energy
1338 views
Interconversion of Energy
3092 views
Introduction to Efficiency
2503 views
Problem on interconversion of K.E and P.E
1422 views
Problem on Introduction to Efficiency
302 views
6.3: Power (
Practice Test
)
Introduction to Power
7657 views
Problem on Introduction to Power
1590 views
Chapter 7 Pressure (
13 videos
)
  (
Practice Test
)
7.1: Pressure
Introduction to Pressure
4202 views
Problem on Introduction to Pressure
1655 views
7.2: Atmospheric Pressure
Atmospheric Pressure
6129 views
7.3: Using Atmospheric Pressure
Demonstration of Atmospheric Pressure
1489 views
7.4: Pressure in Liquids
Pressure in Liquids
5855 views
Problem on Pressure in Liquids
1362 views
7.5: Transmission of Pressure in Liquids - Hydraulic Systems
Transmission of Pressure in Liquids
648 views
Pascal’s Law
5409 views
Problem on Hydraulic Press
1622 views
7.6: Measuring Atmospheric Pressure (
Practice Test
)
Measuring Atmospheric Pressure
3897 views
Aneroid Barometer (Optional)
6909 views
7.7: Atmospheric Pressure and Weather (Optional)
Variation in Atmospheric Pressure
5584 views
7.8: Measuring gas Pressure - The Manometer
Measuring Gas Pressure-The Manometer
366 views
Chapter 8 Measurement of Temperature (
11 videos
)
  (
Practice Test
)
8.1: Temperature and Heat
Temperature and Heat
15439 views
8.2: Measuring Temperature
Introduction to Thermometer
4699 views
Thermometric Properties
3835 views
8.3: Scales of Temperature (
Practice Test
)
Scales of Temperature
1278 views
Conversion of Temperature Among Different Scale
2540 views
Problem1 on Conversion of Temperature Among Different Scale
1133 views
Problem2 on Conversion of Temperature Among Different Scale
1082 views
8.4: Thermometric Liquids (
Practice Test
)
Why Mercury is Used in Glass Thermometer.
6819 views
Why Alcohol is Used in Glass Thermometer.
3371 views
8.5: Types of Thermometers
Clinical Thermometer
1440 views
Thermocouple Thermometers
2657 views
Chapter 9 Simple Kinetic Theory of Matter (
5 videos
)
  (
Practice Test
)
9.1: Three States of Matter
Three States of Matter
973 views
9.2: The Kinetic Molecular Model of Matter
Kinetic Molecular Model of Matter
4757 views
9.3: Evidence of Molecular Motion (
Practice Test
)
Evidence of Molecular Motion
181 views
9.4: Pressure in Gases (
Practice Test
)
Pressure in Gases
1466 views
Boyles law
5703 views
Chapter 10 Heat Capacity (
5 videos
)
10.1: Heat
Temperature and Heat
15439 views
10.2: Heat Capacity
Heat Capacity
6740 views
10.3: Specific Heat Capcity
Specific Heat Capacity
9022 views
Problem1 on Specific Heat Capacity
1499 views
Problem2 on Specific Heat Capacity
1328 views
Chapter 11 Melting and Boiling (
15 videos
)
  (
Practice Test
)
11.1: Melting and Solidification (
Practice Test
)
Melting and Solidification
340 views
Latent Heat of Fusion of Ice by an Experiment
4268 views
Effect of Impurities on The Freezing Point of Water
673 views
Effect of Pressure on The Melting Point of Ice
16159 views
11.2: Boling and Condensation (
Practice Test
)
Boiling and Condensation
29 views
Latent Heat of Vaporization of Water by an Experiment
1418 views
Effect of Impurities on The Boiling of Water
286 views
Effect of Pressure on The Boiling Point of Water
7184 views
11.3: Latent Heat
Introduction to Latent Heat of Fusion
5103 views
Problem on Introduction to Latent Heat of Fusion
1342 views
Introduction to Latent Heat of Vaporization
3026 views
Problem on Introduction to Latent Heat of Vaporization
1135 views
11.4: Evaporation (
Practice Test
)
Introduction to Evaporation
2084 views
More on Introduction to Evaporation
1282 views
Application of Cooling by Evaporation
1041 views
Chapter 12 Transfer of Thermal Energy (
14 videos
)
  (
Practice Test
)
12.1: The Three Processes of Heat Transfer
Transfer of Heat
4629 views
12.2: Conduction (
Practice Test
)
Conduction
3828 views
Thermal Conductivity
8291 views
Practical Application of Conduction of Heat
2522 views
12.3: Convection
Convection
4097 views
Application of Convection
4319 views
12.4: Radiation
Introduction to Radiations
3015 views
12.5: Consequences and Everyday Applications of Energy Transfer (
Practice Test
)
Some Consequences of Conduction
387 views
Practical Application of Conduction of Heat
2522 views
Use of Conductors and Non-Conductors
2387 views
Some Consequences of Convection
231 views
Application of Convection
4319 views
Some Consequences of Radiation
430 views
Application and Consequences of Radiation
2260 views
Chapter 13 General Wave Properties (
25 videos
)
  (
Practice Test
)
13.1: Introducing waves
Introduction to Wave Motion
10688 views
Problem 1-Working of Simple Harmonic Motion
6469 views
Problem-Basic Terms in SHM
1620 views
Problem-Derivation of Wave Equation
1493 views
Problem-Mass Attached to Spring
4227 views
Problem-Energies Interconversion in Spring-Mass System
1552 views
Problem-Ball and Bowl as SHM
1832 views
Problem-Introduction to Simple Pendulum
1599 views
Problem-Working of Simple Pendulum
1680 views
Problem -Characteristics of Wave
1836 views
13.2: Transverse and Longitudinal Waves
Introduction to Transverse and Longitudinal waves
4296 views
Problem-Introduction to Transverse and Longitudinal waves
1385 views
Problem-Mechanical and Electromagnetic waves
1357 views
13.3: Properties of waves Motion (
Practice Test
)
Characteristics of Wave
4000 views
Problem-Stationary waves
634 views
Problem-Waves as Carriers of Energy
1513 views
13.4: Waves Production and the Ripple Tank
Introducing Ripple Tank
9378 views
Reflection of Light
1475 views
Problem-Introduction to Refraction
1051 views
13.5: Electromagnetic Spectrum (
Practice Test
)
Electromagnetic Spectrum
303 views
Generation, Detection and Particular Properties
82 views
More on Generation, Detection and Particular Properties
43 views
More on Generation, Detection and Particular Properties
27 views
More on Generation, Detection and Particular Properties
33 views
Problem- Electromagnetic Spectrum
331 views
Chapter 14 Reflection and Refraction of Light (
27 videos
)
  (
Practice Test
)
14.1: The Nature and Propagation of Light (
Practice Test
)
Introducing Optics
1112 views
14.2: Light Rays and Reflection (
Practice Test
)
Path of Light
1169 views
Problem-Introduction to Reflection
9752 views
Images Formed by Plane Mirror
5265 views
Images Formed by Plane Mirror
1750 views
Rules for Obtaining Images Formed by Mirrors
103 views
Concave and Convex Mirror
2955 views
Problem1-Concave Mirrors
2061 views
Mirror Terminologies
1473 views
Images by Spherical Mirrors
1430 views
More on Spherical Mirror Formula
1471 views
Sign Convention Linear Magnification
1028 views
Convex Mirror Formula
1146 views
Uses of Spherical Mirrors
1356 views
Problem-Uses of Spherical Mirrors
2644 views
14.3: Light Rays and Refraction (
Practice Test
)
Refraction of Light
3756 views
Laws of Refraction
4085 views
Problem-Speed of Light in Medium
2720 views
Laws of Refraction
1282 views
Introducing Light Pipe and Endoscope
442 views
Speed of Light in Medium
936 views
Introducing Refractive Index
1072 views
Apparent and Real Depth
1220 views
14.4: Total Internal Reflection (
Practice Test
)
Problem-Apparent and Real Depth
8256 views
Total Internal Reflection
1637 views
Refraction of Light Through Prism
2528 views
Relationship b/w Refractive Index and Critical Angle
1145 views
Chapter 15 Converging Lens (
11 videos
)
  (
Practice Test
)
15.1: Thin Converging Lenses (
Practice Test
)
Types of Lenses
7161 views
Types of Lenses
1892 views
Problem-Image Location by Lens Formula
3151 views
Image Formed by Convex Lens
1287 views
Image Formation by Concave Lens
1078 views
Problem-Image Formed by Concave Lens
817 views
Image Location by Lens Formula
892 views
Linear Magnification of Lenses
983 views
15.2: Applications of Converging Lenses (
Practice Test
)
Concave Lens Formula
3195 views
More on Magnifying power and Resolving power of Optical Instruments
13803 views
Slide Projector
3267 views
Chapter 16 Sound (
26 videos
)
  (
Practice Test
)
16.1: The Nature and Production of Sound (
Practice Test
)
How Sound is Produced and Travel
9060 views
More on How Sound is Produced and Travel
4040 views
Problem-More on How Sound is Produced and Travel
2180 views
16.2: The Transmission of Sound (
Practice Test
)
The Mechanical Nature of Sound
322 views
The Medium of Transmission
109 views
Problem-The Mechanical Nature of Sound
524 views
16.3: The Detection of Sound (
Practice Test
)
The Human Ear (Optional)
185 views
Audibility
166 views
Problem 1-Audibility
939 views
Audible Frequency Range
931 views
Problem1-Audible Frequency Range
789 views
16.4: The Reflection of Sound (
Practice Test
)
Reflection of Sound (Echo)
5043 views
Uses of Echoes
750 views
Problem1-Reflection of Sound (Echoes)
1302 views
Problem2-Reflection of Sound (Echoes)
971 views
16.5: Ultrasounds
Problem2-Audible Frequency Range
3437 views
Ultrasounds and its Applications
1050 views
16.6: Measuring the Speed of Sound (
Practice Test
)
Measuring Speed of Sound
3578 views
More on Measuring Speed of Sound
2146 views
Problem1-Measuring The Speed of Sound
1039 views
Problem2-Measuring The Speed of Sound
888 views
16.7: Pitch, Loudness and Quality (
Practice Test
)
Pitch of Sound
4356 views
Loudness of Sound
6358 views
Problem- Pitch of Sound
1152 views
Quality of Sound
5125 views
Problem- Sound Intensity and Sound Level
1871 views
Chapter 17 Static Electricity (
20 videos
)
  (
Practice Test
)
17.1: The Nature and Production of Sound (
Practice Test
)
Introduction to Electrostatics
14789 views
Conductors and Insulators
5976 views
Production of Electric Charges
3620 views
Electrical Nature of Matter
379 views
Measurement of Electric Charge
2326 views
More on Coulombs Law
3457 views
Problem1-Coulombs Law
2478 views
Electrostatic Potential
1673 views
Problem1-Electrostatic Potential
986 views
Problem2-Electrostatic Potential
883 views
17.2: Insulators and Conductors
Problem-Measurement of Electric Charge
6832 views
17.3: The Electroscope (Optional)
Introduction to Electroscope
8156 views
17.4: Electric Field
Problem-Electric Intensity Between Two Oppositely Charged Parallel Pl
10864 views
Problem-Electric Field and Electric Field Intensity
3555 views
Electric Field and Electric Field Intensity
1296 views
Capacitor and Capacitance
1018 views
Capacitors in Parallel Combination
1112 views
Capacitors in Series Combination
920 views
17.5: Some Practical Applications and Hazards of Electrostatics
Application of Electrostatics
6023 views
Inkjet Printer
4542 views
Chapter 18 Current Electricity (
35 videos
)
  (
Practice Test
)
18.1: Static Charge and Electric Current (
Practice Test
)
Introduction to Electric Current
8793 views
Introduction to Electric Current
3580 views
Steady Current
7799 views
Problem-Current Through a Metallic Conductor
2348 views
More on Introduction to Electric Current
1032 views
Measurement of Current
985 views
Problem1-Measurement of Current
576 views
18.2: Electric Symbols (
Practice Test
)
More on Effects of Current
224 views
Electric Symbols
44 views
18.3: Electromotive Force (E.M.F) and Potential Difference (P.D) (
Practice Test
)
A Gravitational Analogue of a Simple Electric Circuit
7945 views
Problem-Electromotive Force
2452 views
The Measurement of e.m.f
642 views
Potential Difference
7092 views
Problem-Potential Difference
1883 views
Problem-Measurement of Potential Difference
64 views
Potential Difference
1333 views
Measurement of Potential Difference
751 views
18.4: Resistance (
Practice Test
)
Lead Storage Battery
2025 views
Resistance
1096 views
More on Rheostat
378 views
Determining the Resistance of a Load
1042 views
Ohms Law
6039 views
Ohm's Law
3374 views
Applications of Ohm's Law in Circuit Analysis
5575 views
Characteristics of Ohmic and Non Ohmic Conductors
1067 views
Specific Resistance
972 views
Problem 1-Specific Resistance
1340 views
Effect of Temperature Upon Resistance
1466 views
Problem1-Effect of Temperature Upon Resistance
621 views
18.5: Electric Circuits - Series (
Practice Test
)
Resistance Thermometer
4729 views
More on Parallel Combination to Resistors
625 views
Problem 1-Parallel combination to Resistors
542 views
Problem 2-Parallel combination to Resistors
480 views
Problem 3-Parallel combination to Resistors
475 views
18.6: Electric Circuits - Parallel
Problem1-Series Combination of Resistors
3377 views
Chapter 19 D.C. Circuits (
4 videos
)
19.1: Series Circuits (
Practice Test
)
Alternating Current
237 views
Resistance Thermometer
4729 views
Current in a Series Circuit
605 views
19.2: Parallel Circuits
Problem1-Series Combination of Resistors
3377 views
Chapter 20 Practical Electric Circuits (
18 videos
)
  (
Practice Test
)
20.1: Some Uses of Electricity (
Practice Test
)
Electric Heating
65 views
Electric Heating
73 views
Electric Lighting
856 views
20.2: Measurement of Electric Energy (
Practice Test
)
Problem-Electrical Power and Power Dissipation in Resistors
3464 views
Electric Power
601 views
Electrical Energy and Joules law
7128 views
Problem 2-Electric Power
2899 views
Problem 1-Electric Power
592 views
Electrical Energy and Joules law
1018 views
Problem 1-Electrical Energy and Joules law
654 views
20.3: Dangers of Electricity
Electric Motors
2037 views
20.4: Safe Use of Electricitry at Home (
Practice Test
)
Introduction to Earth Wire
3588 views
Double Insulation
2261 views
Introduction to Circuit Breaker
127 views
Switches
116 views
Plugs and sockets
2672 views
Introduction to Fuse
1944 views
Insulation Damage and Damp Conditions
511 views
Chapter 21 Simple Phenomena of Magnetism (
16 videos
)
  (
Practice Test
)
21.1: Materials and Magnets (
Practice Test
)
Problem-Magnetic Field Due to Current in a Long Straight Wire
181 views
The Discovery of Magnetism
482 views
Magnets and Magnetic Materials
131 views
21.2: Magnetic Induction
Testing a Magnet
377 views
21.3: Theory of Magnetism
Induced Magnetism
5872 views
21.4: Methods of Magnetisation and Demagnetisation (
Practice Test
)
Theory of Magnetism
1629 views
Single Touch Method
919 views
Electrical Method
4349 views
21.5: Magnetic Fields and the Plotting Compass (
Practice Test
)
Electrical Method
4349 views
Magnetic Field of a Straight Wire
385 views
21.6: Magnetic Properties of Iron and Steel
The Earth's magnetic field
787 views
21.7: Some Uses of Permanent Magnets and Electromagnets (
Practice Test
)
Magnetic Properties of Iron and Steel
74 views
Permanent magnets
106 views
21.8: Magnetic Effect of a Current (
Practice Test
)
How to Demagnetize a Magnet
7902 views
Magnetic Field of a Solenoid
11607 views
Power Transmission
2989 views
Chapter 22 Force on Conductor in a Magnetic Field (
6 videos
)
  (
Practice Test
)
22.1: Force on a Current-Carring Conductor in a Magnetic Field (
Practice Test
)
Problem-Toroidal Field
8068 views
Force on a Current Carrying Conductor Place in a Magnetic Field
1482 views
Problem1-Force on a Current Carrying Conductor Place in a Magnetic Fi
1054 views
22.2: Force Between Two Parallel Current-Carrying Wires (Optional)
Problem-Torque on a Current Carrying Coil in a Magnetic Field
2680 views
22.3: Force on a Current-Carrying Rectangular Coil in a Magnetic Field
Problem-Determination of e/m of an Electron
9203 views
22.4: Force on a Moving Charge in a Magnetic Field
Force Between Two Parallel Current-Carrying Wires (Optional)
218 views
Chapter 23 Electromagnetic Effects (
10 videos
)
  (
Practice Test
)
23.1: Electromagnetic Induction (
Practice Test
)
Generating Electricity
7931 views
Introduction to Electromagnetism
11184 views
Factors Affecting Induced EMF
5409 views
Problem-Lenz's Law and Direction of Induced EMF
5930 views
23.2: lternative Current Generators
Problem2-Energy Stored in an Inductor
13183 views
23.3: Transformers (
Practice Test
)
Self Inductance of a Solenoid
7623 views
Transformer
4167 views
Problem-Transformer
3162 views
Problem-Transformer
1022 views
Problem1-Transformer
792 views
Chapter 24 Introductory Electronics (
14 videos
)
  (
Practice Test
)
24.1: Electrons and How They are Produced (
Practice Test
)
Introduction to Electronics
281 views
Electrons and How They are Produced
9256 views
24.2: Investigating the Properties of Electrons
Thermionic Emission
6263 views
24.3: Cathode-Ray Tube - The Cathode-Ray Oscilloscope (C.R.O) (
Practice Test
)
Properties of Electrons
11659 views
24.4: Using the C.R.O (
Practice Test
)
Cathode Ray Oscilloscope
379 views
Using the C.R.O
2083 views
24.5: Circuit Components (
Practice Test
)
Uses of CRO
886 views
Circuit Components
290 views
Problem- Resistor
2986 views
Resistor
859 views
Problem- Potential Divider
2834 views
Potential Divider
938 views
Thermistor
79 views
24.6: Digital Logic Circuits
Operational Amplifier Adder or Summer
4408 views
Chapter 25 Radioactivity and the Nuclear Atom (
26 videos
)
  (
Practice Test
)
25.1: The Discovery of Radioactivity
More on Atomic Nucleus
12013 views
25.2: Detection of Radioactivity (
Practice Test
)
Introduction to Electroscope
8156 views
Introduction to Electroscope
3643 views
Background Radiations
974 views
The Diffusion Cloud Chamber
3919 views
25.3: Characteristics of the Three Kinds of Radiation (
Practice Test
)
Nuclear Transmutations
4566 views
Thermionic Emission
6263 views
25.4: Half-Life and its Measurements
Problem-Biological Effects of Radiation
10024 views
Half Life and its Measurements
3533 views
Problem3-Half Life and its Measurements
1061 views
Problem1-Half Life and its Measurements
1978 views
Problem2-Half Life and its Measurements
1664 views
25.5: Radiation and People - Uses, Hazards and precautions
Uses of Isotopes
310 views
Problem-Comparison between Fission and Fusion Reaction
4281 views
25.6: The Discovery of the Nuclear Atom (
Practice Test
)
Problem-Atom and Atomic Nucleus
754 views
Thomson Atomic Model
65 views
25.7: Structure of the Atom
Introduction to Atom
5451 views
Atom and Atomic Nucleus
2180 views
25.8: Nuclear Reactions
Problem-Mass Energy Equation
6333 views
25.9: Nuclear Energy (
Practice Test
)
Mass Energy Equation
4489 views
More on Nuclear Reactions-2
6923 views
Problem2-Mass Defect and Binding Energy
1489 views
Fission Reaction
2821 views
Fission Chain Reaction
7958 views
More on Fission Reaction
1029 views
The Hydrogen Bomb
1137 views
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