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A thin circular ring of area A is perpen...

A thin circular ring of area `A` is perpendicualr to uniform magnetic field of induction `B`. A small cut is made in the ring the total and a galvanometer is connected across the ends such that the total resistance of circuit is `R`. When the ring suddenly squeezed to zero area, the charge flowing through the galvanometer is

A

`B R//A`

B

`AB//R`

C

ABR

D

`2BA//R`

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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-III
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  8. A wire of length .2l. is bent at midpoint so that angle between the tw...

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  13. A rectangular loop with a sliding connector of length l=10m is the si...

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  15. A square metal wire loop of side 20 cm and resistance 2Omega is moved ...

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  16. IN a retangle ABCD (BC = 2AB). The moment of inertia along which aix...

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