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Chapter 1

ELECTRIC CHARGES AND FIELDS

Duration: 120 Minutes

  1. Introduction
  2. Electric Charges
  3. Conductors and Insulators
  4. Charging by Induction
  5. Basic Properties of Electric Charge
    1.  Additivity of Charges
    2.  Charge is Conserved
    3. Quantization of Charge
  6.  Coulomb’s Law
  7. Forces between Multiple Charges
  8. Electric Field
    1. Electric Field due to a System of Charges
    2. Physical Significance of Electric Charges
  9. Electric Field Lines
  10.  Electric Flux
  11. Electric Dipole
    1. The Field of an Electric Dipole
    2. Physical Significance of Dipoles
  12. Dipole in a Uniform External Field
  13. Continuous Charge Distribution
  14. Gauss’s Law
  15. Application of Gauss’s Law
    1. Field due to an infinitely long straight uniformly charged wire
    2. Field due to a uniformly charged infinitely plane sheet
    3. Field due to a uniformly charged thin spherical shell
...

Chapter 2

ELECTROSTATIC POTENTIAL AND CAPACITANCE

Duration: 120 Minutes

  1. Introduction
  2. Electrostatic Potential
  3. Potential due to a Point Charge
  4. Potential due to an Electric Dipole
  5. Potential due to a System of Charges
  6. Equipotential Surfaces
    1. Relation Between Field and Potential
  7. Potential Energy of a System of Charges
  8. Potential Energy in an External Field
    1. Potential Energy of a Single Charge
    2. Potential Energy of a System of Two Charges in an External Field
    3. Potential Energy of a Dipole in an External Field
  9. Electrostatics of Conductors
  10. Dielectrics and Polarization
  11. Capacitors and Capacitance
  12. The Parallel Plate Capacitor
  13. Effect of Dielectric on Capacitance
  14. Combination of Capacitors
    1. Capacitors in a Series
    2. Capacitors in Parallel
  15. Energy Stored in a Capacitor
  16. Van de Graaff Generator
...

Chapter 3

CURRENT ELECTRICITY

Duration: 120 Minutes

  1. Introduction
  2. Electric Current
  3. Electric Currents in Conductors
  4. Ohm’s law
  5. Drift of Electrons and the Origin of Resistivity
    1. Mobility
  6. Limitations of Ohm’s Law
  7. Resistivity of various Materials
  8. Temperature Dependence of Resistivity
  9. Electrical Energy, Power
  10. Combination of Resistors — Series and Parallel
  11. Cells, Emf, Internal Resistance
  12. Cells in Series and in Parallel
  13. Kirchhoff’s Laws
  14. Wheatstone Bridge
  15. Meter Bridge
  16. Potentiometer
...

Chapter 4

MOVING CHARGES AND MAGNETISM

Duration: 120 Minutes

  1. Introduction
  2. Magnetic Force
    1. Sources and Fields
    2. Magnetic Field, Lorentz Force
    3. Magnetic Force on a Current-carrying Conductor
  3. Motion in a Magnetic Field
  4. Motion in Combined Electric and Magnetic Fields
    1. Velocity Selector
    2. Cyclotron
  5. Magnetic Field due to a Current Element, Biot-Savart Law
  6. Magnetic Field on the Axis of a Circular Current Loop
  7. Ampere’s Circuital Law
  8. The Solenoid and the Toroid
    1. The Solenoid
    2. The Toroid
  9. Force between Two Parallel Currents, the Ampere
  10. Torque on Current Loop, Magnetic Dipole
    1. Torque on a Rectangular Current Loop in a Uniform Magnetic Field
    2. Circular Current Loop as a Magnetic Dipole
    3. The Magnetic Dipole Moment of a Revolving Electron
  11. The Moving Coil Galvanometer
...

Chapter 5

MAGNETISM AND MATTER

Duration: 120 Minutes

  1. Introduction
  2. The Bar Magnet
    1. The Magnetic Field Lines
    2. Bar Magnet as an Equivalent Solenoid
    3. The Dipole in a Uniform Magnetic Field
    4. The Electrostatic Analog
  3. Magnetism and Gauss’s Law
  4. The Earth’s Magnetism
    1. Magnetic Declination and Dip
  5. Magnetization and Magnetic Intensity
  6. Magnetic Properties of Materials
    1. Diamagnetism
    2. Ferromagnetism
  7. Permanent Magnets and Electromagnets
...

Chapter 6

ELECTROMAGNETIC INDUCTION

Duration: 120 Minutes

  1. Introduction
  2. The Experiments of Faraday and Henry
  3. Magnetic Flux
  4. Faraday’s Law of Induction
  5. Lenz’s Law and Conservation of Energy
  6. Motional Electromotive Force
  7. Energy Consideration: A Quantitative Study
  8. Eddy Currents
  9. Inductance
    1. Mutual Inductance
    2. Self-Inductance
  10. AC Generator
...

Chapter 7

ALTERNATING CURRENT

Duration: 120 Minutes

  1. Introduction
  2. AC Voltage Applied to a Resistor
  3. Representation of AC Current and Voltage by Rotating Vectors — Phasors
  4. AC Voltage Applied to an Inductor
  5. AC Voltage Applied to a Capacitor
  6. AC Voltage Applied to a Series LCR Circuit
    1. Phasor-diagram Solution
    2. Analytical Solution
    3. Resonance
    4. Sharpness of Resonance
  7. Power in AC Circuit: The Power Factor
  8. LC Oscillations
  9. Transformers
     
...

Chapter 8

ELECTROMAGNETIC WAVES

Duration: 120 Minutes

  1. Introduction
  2. Displacement Current
  3. Electromagnetic Waves
    1. Sources of Electromagnetic Waves
    2. Nature of Electromagnetic Waves
  4. Electromagnetic Spectrum
    1. Radio Waves
    2. Microwaves
    3. Infrared Waves
    4. Visible Rays
    5. Ultraviolet Rays
    6. X-Rays 
    7. Gamma Rays
...

Chapter 9

RAY OPTICS AND OPTICAL INSTRUMENTS

Duration: 120 Minutes

  1. Introduction
  2. Reflection of Light by Spherical Mirrors
    1. Sign Convention
    2. Focal length of Spherical Mirrors
    3. The Mirror Equation
  3. Refraction
  4. Total Internal Reflection
    1. Total Internal Reflection in Nature and its Technological Applications
  5. Refraction at Spherical Surfaces and by Lenses
    1. Refraction at a Spherical Surface
    2. Refraction by a Lens
    3. Power of a Lens
    4. Combination of Thin Lenses in Contact
  6. Refraction through a Prism
  7. Dispersion by a Prism
  8. Some Natural Phenomena due to Sunlight
    1. The Rainbow
    2. Scattering of Light
  9. Optical Instruments
    1. The Eye
    2. The Microscope
    3. Telescope
...

Chapter 10

WAVE OPTICS

Duration: 120 Minutes

  1. Introduction
  2. Huygens Principle
  3. Refraction and reflection of plane waves using Huygens Principle
    1. Refraction of a Plane Wave
    2. Refraction at a Rarer Medium
    3. Reflection of a Plane Wave by a Plane Surface
    4. The Doppler Effect
  4. Coherent and Incoherent Addition of Waves
  5. Interference of Light Waves and Young’s Experiment
  6. Diffraction
    1. The Single Slit
    2. Seeing the Single Slit Diffraction Pattern
    3. Resolving Power of Optical Instruments
    4. The Validity of Ray Optics
  7. Polarization
    1. Polarization by Scattering
    2. Polarization by Reflection
...

Chapter 11

DUAL NATURE OF RADIATION AND MATTER

Duration: 120 Minutes

  1. Introduction
  2. Electron Emission
  3. Photoelectric Effect
    1. Hertz’s Observations
    2. Hallwachs’ and Lenard’s Observations
  4. Experimental Study of Photoelectric Effect
    1. Effect of Intensity of Light on Photocurrent
    2. Effect of Potential on Photoelectric Current
    3. Effect of Frequency of Incident Radiation on Stopping Potential
  5. Photoelectric Effect and Wave Theory of Light
  6. Einstein’s Photoelectric Equation: Energy Quantum of Radiation
  7. Particle Nature of Light: The Photon
  8. Wave Nature of Matter
  9. Davisson and Germer Experiment
...

Chapter 12

ATOMS

Duration: 120 Minutes

  1. Introduction
  2. Alpha-particle Scattering and Rutherford’s Nuclear Model of Atom
    1. Alpha-particle Trajectory
    2. Electron Orbits
  3. Atomic Spectra
    1. Spectral Series
  4. Bohr Model of the Hydrogen Atom
    1. Energy Levels
  5. The Line Spectra of the Hydrogen Atom
  6. DE Broglie’s Explanation of Bohr’s Second Postulate of Quantization
...

Chapter 13

NUCLEI

Duration: 120 Minutes

  1. Introduction
  2. Atomic Masses and Composition of Nucleus
    1. Discovery of Neutron
  3. Size of the Nucleus
  4. Mass-Energy and Nuclear Binding Energy
    1. Mass Energy
    2. Nuclear Binding Energy
  5. Nuclear Force
  6. Radioactivity
    1. Law of Radioactive Decay
    2. Alpha decay
    3. Beta decay
    4. Gamma decay
  7. Nuclear Energy
    1. Fission
    2. Nuclear Reactor
    3. Nuclear Fusion - Energy Generation in Stars
    4. Controlled Thermonuclear Fusion
...

Chapter 14

SEMICONDUCTOR ELECTRONICS MATERIALS DEVICES AND SIMPLE CIRCUITS

Duration: 120 Minutes

  1. Introduction
  2. Classification of Metals, Conductors and Semiconductors
    1. On the Basis of Conductivity
    2. On the Basis of Energy bands
  3. Intrinsic Semiconductor
  4. Extrinsic Semiconductor
    1. n type semiconductor
    2. p type semiconductor
  5. p-n Junction
    1. p-n junction formation
  6. Semiconductor diode
    1. p-n junction diode under forward bias
    2. p-n junction diode under reverse bias
  7. Application of Junction Diode as a Rectifier
  8. Special Purpose p-n Junction Diodes
    1. Zener Diode
    2. Zener Diode as Voltage Regulator
    3. Optoelectronic Junction devices
    4. Photodiode
    5. Light Emitting Diode
    6. Solar Cell
  9. Junction Transistor
    1. Transistor: Structure and Action
    2. n-p-n Transistor
    3. p-n-p Transistor
    4. Basic Transistor Circuit Configurations and Transistor Characteristics
    5. Common Emitter Transistor Characteristics (Input Resistance, Output Resistance, Current Amplification Factor
    6. Transistor as a Device (Switch, Amplifier)
    7. Transistor as an Amplifier (CE-Configuration)
    8. Feedback Amplifier and Transistor Oscillator
  10. Digital Electronics and Logic Gates
    1. Logic Gates (NOT Gate, OR Gate, AND Gate, NAND Gate, NOR Gate)
  11. Integrated Circuits
...

Chapter 15

COMMUNICATION SYSTEMS

Duration: 120 Minutes

  1. Introduction
  2. Elements of a Communication System
  3. Basic Terminology Used in Electronic Communication Systems
  4. Bandwidth of Signals
  5. Bandwidth of Transmission Medium
  6. Propagation of Electromagnetic Waves
    1. Ground Wave
    2. Sky Waves
    3. Space Wave
  7. Modulation and its Necessity
    1. Size of the Antenna or Aerial
    2. Effective Power Radiated by an Antenna
    3. Mixing up of signals from different transmitters
  8. Amplitude Modulation
  9. Production of Amplitude Modulated Wave
  10.  Detection of Amplitude Modulated Wave
...
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For the Class 12 Physics Coachingwe have every chapter included in our separate courses. All the topics are covered according to the curriculum you have in your books.

1. Electric charges and fields

Electric charges become the reason for the flow of electric energy. Various factors and properties help in understanding the functions of electric charges.

·         Basic properties of electric charge

·         Forces between multiple charges

·         Electric field

2. Electrostatic potential and capacitance

Electric charge provides potential that depends on the type of conductor. The capacitance tells the abilities of the capacitors.

·         Electrostatic potential

·         Conductors

·         Capacitors and capacitance

3. Current electricity

The flow of electricity is known as current electricity. The charges flow in a certain direction in electric current conductors. And the conductivity of various materials differs from one another.

4. Moving charges and magnetism

Certain movements of the charges have the capacity to create magnetic properties in the conductor and in the surrounding areas as well.

5. Other chapters

More courses include:

·         Magnetism and matter

·         Electromagnetic induction

·         Alternating current

·         Electromagnetic waves

·         Ray optics and optical instruments

·         Wave optics

·         Dual nature of radiation and matter

·         Atoms

·         Nuclei

·         Semiconductors

·         Communication systems

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  1. Q.No 1 - A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

    650

    690

    698

    700

    1/10  Next
  2. Q.No 2 - 5, 50, 45, 450, 445, ?, 4445

    4450

    4600

    4550

    4500

    None of the above

  3. Q.No 3 - 22, 42, 64, 88, ?

    114

    112

    116

    110

    None of the above

  4. Q.No 4 - 1, 2, 3, 5, 8, ?

    11

    13

    15

    9

    None of the above

  5. Q.No 5 - A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

    12 days

    15 days

    16 days

    18 days

    None of the above

  6. Q.No 6 - Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

    1/3

    1/8

    2/8

    1/16

    None of the above

  7. Q.No 7 - Find the wrong number in the following series. 3252 , 3080 , 2958 , 2876 , 2826

    3080

    2876

    2826

    3252

    None

  8. Q.No 8 - 17, 14, 14, 11, 11, 8, 8 What comes next?

    8,5

    5,2

    7,7

    5,5

    None

  9. Q.No 9 - 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75 Look at series carefully and find the wrong number

    1222

    312

    90

    614

    None of the above

  10. Q.No 10 - In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

    6.25

    6.5

    6.75

    7

    None of the above

    Prev 10/10