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A rectangular wire frame of dimensions (...

A rectangular wire frame of dimensions `(0.25 xx 2.0 m)` and mass 0.5 kg falls from a height 5m above a region occupied by uniform magnetic field of magnetic induction 1 T. The resistance of the wire frame is `1/8 (Omega)`. Find

time taken to completely enter into the field is

A

0.2s

B

1s

C

2.2s

D

`sqrt((1)/(5))s`

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The correct Answer is:
A
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