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A closed coil with a resistance R is pla...

A closed coil with a resistance `R` is placed in a magnetic field. The flux linked with the coil is `phi`. If the magnetic field is suddenly reversed in direction, the charge that flows through the coil will be

A

`phi//2R`

B

`phi//R`

C

`2phi//R`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
`q=(dphi)/R`
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NARAYNA-ELECTROMAGNETIC INDUCTION-EXERCISE-1 (C.W)
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  16. A uniform circular metal disc of radius R is rotating about a vertical...

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  17. a copper disc of diameter 20 cm makes 1200 r.p.m. about its natural ax...

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  18. In an AC generator, a coil with N turns, all of the same area A and to...

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  20. A uniform but time-varying magnetic field B(t) exists in a circular re...

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