12-PHYSICS QUARTERLY BLASTER PDF Classification Of Qns 2025-2026

DEFINITIONS Chapter 5

Chapter 1 1. Displacement current-269

2. Electromagnetic waves-272
1. Quantization of charges -4 3. Radiowaves,microwaves-275
2. Electric field -12 4. Infrared,visible,UV,x-rays-276
3. Electric field lines-17 5. Spectrum-278
4. Electric dipole-20 6. Fraunhofer lines and its use-279
5. Electric potential-26 7. Emission &absorption spectra-278,269
6. Electric potential difference-G
7. Equipotential surface-31 LAWS - PRINCIPLES - EFFECTS
8. Electric flux-36
9. Electromagnetic induction-49 CHAPTER 1
10. Polar & nonpolar molecues-51
11. Polarization-52 1. Coulomb’s law-4
12. Dielectric strength & breakdown-53 2. Gauss law-40
13. Capacitance-54 3. Superposition principle-9
14. Energy density-56
15. Corona discharge-64 CHAPTER 2
16. Lightning arrestor-65
1. Ohm’s law
Chapter 2 2. Kirchoff’s 1st rule-104
3. Kirchoff’s 2nd rule-105
1. Current -82 4. Principle of potentiometer-110
2. Drift velocity-83 5. Joule’s law &heating effect-111,112
3. Mobility-84 6. Seebeck effects&applications-114
4. Current density-85 7. Thomson effect-115
5. Resistance & resistivity-88 8. Peltier effect-115
6. Temperature coefficient of resistivity-95
7. critical temperature-96 CHAPTER 3
8. Electric power, various forms of power-97,98
1. Coulombs’s inverse square law-134
9. Internal resistance-100
2. Curie’s law-145, curie-weiss law-147
Chapter 3 3. Biot-savart law-154
4. Tangent law-158
1. Magnetic declination inclination-128 5. Ampere’s circuital law-162
2. Magnetic field, dipole moment-130 6. Lorentz force-168
3. Magnetic flux-133 7. Fleming’s left hand rule
4. Magnetic permeability-141
5. Magnetic susceptibility-142 CHAPTER 4
6. Hysteresis-149
1. Faraday’s 1,2 laws-200
7. Resonance condition in cyclotron
2. Lenz law-202
8. Tesla-168
3. Fleming’s right hand rule-204
9. Velocity selector-174
4. Principle of AC generator-223
10. Ampere-179
5. Principle of transformer-228
11. Current sensitivity & how to increase it-182
12. Voltage sensitivity-182
CHAPTER 5

Chapter 4
1. Ampere Maxwell law-269
2. Gauss law for magnetism-271
1. Eddy current-208
3. Maxwell’s equations-270,271
2. Self induction-211
3. Mutual induction-215
DIFFERENCE BETWEEN
4. One henry-216
5. Methods of inducing emf-219 VOLUME-1
6. Step-up&down transformers-228,229
7. Average value of AC-234 1. Coulomb & gravitational forces-5
8. RMS value of AC-235 2. Drift velocity & mobility-84
9. Phasors-237 3. Electric energy and electric power
10. Q-factor-247 4. Ohmic & non-ohmic devices-87
11. Wattles current-249 5. Dia,para,ferro magnetic materials-G
12. Power factor-249 6. Soft&hard electromagnetic matrls-150
13. LC-oscillations-251 Also Read if possible : -
14. Electrical resonance &resonant frequency-245 7. Electric & magnetic field-155
15. Inductive reactance-240 8. Conduction &displacement current-G
16. Capacitive reactance-241

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 12-PHYSICS QUARTERLY BLASTER PDF Classification Of Qns 2025-2026

PROPERTIES & APPLICATIONS 8. Advantages and disadvantages of AC over DC-250

1. Properties of charges-3
2. Aspects of coulomb’s law-4
3. Prop. of equipotential surfaces-32 CHAPTER-5
4. Prop. Of conductors at electrostatic equilibrium-46
5. App. Of capacitors-57 1. Displacement current − Maxwell’s correction-268
6. App. Of seebeck effect-114 2. Importance of Maxwell’s correction-270
7. What are the properties of the substance used as heating 3. Hertz experiment-272
elements
8. Prop. Of magnets-130 5 MARKS
9. App. Of eddy urrents-209
CHAPTER-1:
10. Energy losses in transformer-229

1. Electric field due to axial & equatorial line.

REASONING
2. Electric potential due to electric dipole.
1. Electric field lines never intersect. Y ? 3. Electric field due to an infinitely long charged wire.
2. Equipotential surfaces never intersect. Why ? 4. Electric field due to infinite plane sheet.
3. Why is it safer to be inside a car than standing under a tree 5. Electric field due to charged spherical shell.
during lightning? 6. Van de Graaff generator.
4. It is advised not to touch the back panel of TV after switching
CHAPTER-2:
it off. Y ?
5. Why current is a scalar ?
1. Microscopic & macroscopic model of current.
6. Inductor blocks AC. Y ?
2. Internal resistance of a cell using Potentiometer & voltmeter.
7. Capacitor blocks DC. Y?
3. Wheatstone bridge.
8. EM waves are transverse.how?
4. Meter bridge.
5. How the emf of two cells are compared using potentiometer?
3 MARKS

CHAPTER-3:
CHAPTER-1

1. B due to infinitely long straight conductor carrying current

1. Torque experienced by an electric dipole in the uniform
circular coil carrying current.
electric field-24
2. Calculate the magnetic field at a point on the axial line &
2. Electric potential due to point chrge-27
Equatorial line.
3. Relation between electric field and potential-32
3. Discuss the working of cyclotron in detail.
4. Capacitance-parallel plate capacitor-54
4. Derive the expression for the force between two parallel,
5. Energy stored in the capacitor-56
current-carrying conductors.
6. Capacitor in series&parallel (3M&5M)
5. Derive the expression for the force on a current-carrying
CHAPTER-2 conductor in a magnetic field.
6. Torque on current loop
1. Macroscopic form of ohm’s law-86 7. Solenoid,toroid (if possible)
2. Resistors in series&parallel (3M&5M)
3. Determination of internal resistance using voltmeter-100 CHAPTER-4:
4. Cells in series&parallel (learn if possible)
1. Show that the mutual inductance between a pair of coils is
CHAPTER-3 same (M12 = M21).
2. Show mathematically that the rotation of a coil in a magnetic
1. Torque acting on a bar magnet in uniform magnetic field-138 field over one rotation induces an alternating emf of one
2. Magnetic field due to the current carrying wire of infinite cycle.
length using Ampère’s law-162 3. Transformer.
3. Lorentz force-168 4. RLC circuit.
4. Conversion of galvanometer into ammeter-183
5. Conversion of galvanometer into voltmeter-185 CHAPTER-5:

CHAPTER-4 1. Maxwell equations in integral form.

2. Properties of electromagnetic waves.
1. Motional emf from Lorentz force-206 3. Emission spectrum
2. Energy stored in an inductor-214 4. Absorption spectrum.
3. Production of induced emf by changing the area of the coil-
219
4. Advantages of stationary armature-rotating field alternator-
224
5. AC circuit containing pure resistor-238
6. AC circuit containing pure capacitor
7. AC circuit containing pure inductor

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