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A metal bar of length 1 m falls from res...

A metal bar of length `1 m` falls from rest under the action of gravity remaining horizontal with its ends in east-west direction. The induced `e.m.f` in it at the instant when it fallen for `10 s` is `(B_(H) = 1.7 xx 10^(-5)T and g = 10m s^(-2))`

A

2.5 mV

B

3.2 mV

C

1.7 mV

D

0.5 mV

Text Solution

Verified by Experts

The correct Answer is:
C
`e=B_Hlv` where v = gt
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