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A horizontal straight wire 20m long expa...

A horizontal straight wire 20m long expanding from east to west falling with a speed of `5.0 ms^-1` at right angles to the horizontal component of the earth's magnetic field `0.30 times 10^-4 Wb//m^2` The instantneous value of the emf induced of the wire will be:

A

3mV

B

4.5mV

C

1.5mV

D

6.0mV

Text Solution

Verified by Experts

The instanteous value of emf induced in wire `=BVL=0.3 times 10^-4 times 5 times 20=3mV`
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