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NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
- If the rate of change of current in primary coil is doubled, the induc...
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- Mutual induction is the produced of induced emf in a coil due to the c...
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- The mutual inductance depends upon
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- The self inductance of a coil is a measure of
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- If 'N' is the number of turns in a coil, the value of self inductance ...
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- An inductor may store energy in
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- One henry is equal to
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- When the number of turns in a coil is doubled without any change in th...
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- Two pure inductors each of self-inductance L are connected in parallel...
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- The inductance of a coil is proportional to
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- When the current in a coil charges from 2A to 4A in 0.05 s, emf of 8 v...
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- What id the self -inductance of a coil which produce 5 V when the cur...
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- If the rate of change of current is 1A per second in one coil induces ...
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- If the current increases from zero to 1A in 0.1 s in a coil of 5 mH th...
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- The self inductance of the coil of 100 turns, in which a current of 4A...
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- A current of 3A, in one coil, causes a flux in the second coil of 2000...
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- A coil with air inside it has a self inductance of 0.05 H. A soft iro...
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- A 100mH coil carries a current of 1 ampere. Energy stored in its magne...
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- When a wheel with metal spokes 1.2 m long rotates in a magnetic field ...
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- A choke coil has.
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