Class 12 Physics MCQ Test – Electromagnetic Induction (Chapter 6) | Full Chapter Test

Class 12 Physics

Chapter 6: Electromagnetic Induction - Full Test

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1. A coil of 100 turns has flux change 0.02 Wb in 0.1 s. Induced emf?

20 V 2 V 200 V 0.2 V

2. Lenz law is based on:

Energy conservation Momentum conservation Charge conservation Ohm’s law

3. Unit of self inductance?

Henry Tesla Weber Volt

4. emf induced in straight conductor moving in magnetic field depends on:

Velocity Magnetic field Length All

5. Mutual inductance depends on:

Geometry Medium Turns All

6. Induced emf is zero when:

Flux constant Area zero Field zero None

7. emf = -dΦ/dt represents:

Faraday law Ohm law Ampere law Gauss law

8. Self inductance increases with:

Turns Area Permeability All

9. Direction of induced current given by:

Fleming left Fleming right Lenz law Both b & c

10. Magnetic flux unit is:

Tesla Weber Henry Volt

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