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Class 12 Physics Practice Test: Electromagnetic Inductance
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Class 12 Physics Practice Test: Electromagnetic Inductance
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10 Questions

1. Write the dimensions of self-inductance.
2. What is the self-inductance of the coil, if the magnetic flux of 10 microwebers is linked with a coil when a current of 5 mA flows through it?
3. Determine the self-inductance of a coil, which has a magnetic flux of 50 milliwebers that is produced when a current of 5 A flows through it?
4. Mutual inductance is called the inertia of electricity.
5. Calculate the mutual inductance between two coils if a current 10 A in the primary coil changes the flux by 500 Wb per turn in the secondary coil of 200 turns.
6. What is the relative permeability of an air-core inductor, if its self-inductance increases from 0.5 mH to 50 mH due to the introduction of an iron core into it?
7. Identify the factor on which mutual inductance does not depend.
8. Which of the following is the unit of mutual inductance?
9. Give the SI unit of self-inductance.
10. Identify the factor on which self-inductance does not depend.

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