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Whenever the magnetic flux linked with a coil changes, an induced e.m.f. is produced in the circuit. This e.m.f. is present

 

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Important Questions on Electromagnetic Induction

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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 50
A conducting loop is placed in a uniform magnetic field with its plane perpendicular to the field. An e.m.f. is induced in the loop, if
 
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 51
If the magnetic field linked with the coil is reduced to half, the e.m.f induced in coil will be
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 52
If bar magnet is being moved towards a stationary coil i rapidly ii slowly, e.m.f induced in the coil is
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 53
If the flux associated with a coil changes at the rate of 240 Weber in every 2 min, then the induced e.m.f. is
 
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 54
Flux passes through coil changes from 2×10-3 Wb  to 3×10-3 Wb during 25 s. The induced e.m.f. is
 
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 55
The rate of change of magnetic flux density through a circular coil of area 10-2 m2 and number of turns 100 is 103 Wb m-2 s-1. The value of induced e.m.f. will be
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 56
When a coil is rotated in a magnetic field with steady speed, then
 
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Physics Crash Course MHT-CET>Chapter 18 - Electromagnetic Induction>Exercise 1>Q 57
Which one of the following can produce maximum induced e.m.f.?