HARD
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IMPORTANT
Earn 100

A conducting loop is held stationary normal to the field between the pole-pieces of a fixed permanent magnet. Can we produce current in the loop by choosing a very strong magnet?

Important Questions on Electromagnetic Induction

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IMPORTANT
Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 32
Can one have an inductance without a resistance? How about a resistance with an inductance?
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 33
A coil is wound on an iron core and looped back on itself so that the core has two sets of closely wound wires in series carrying currents in opposite senses. How is its self inductance affected?
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 34
Explain why resistance coils are usually double wound.
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 35
A glass rod of length L moves with velocity v in a uniform magnetic field B. What is the emf induced in the rod?
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 36
Are eddy currents useful or harmful?
EASY
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IMPORTANT
Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 37
A train is moving with uniform velocity from north to south. Will any induced emf appear across ends of the axle.
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IMPORTANT
Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 38

Two inductors having inductances L1 and L2 are connected

in series

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NEET
IMPORTANT
Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-1>Q 38

Two inductors having inductances L1 and L2 are connected

in parallel. What is their equivalent?