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A horizontal straight wire 10 m long ext...

A horizontal straight wire 10 m long extending from east to west is falling with a speed of `5.0 ms^(-1)` at right angles to the horizontal component of the Earth's magnetic field `0.30 xx10^(-4) Wb " "m^(-2)`.
(a) What is the instantaneous value of the emf induced in the wire ?

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`1.5 xx 10^(-3)V,
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