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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 "m s"^(-1)`, at right angles to the horizontal component of the earth's magnetic field, `0.30 xx 10^(-4) "Wb m"^(-2)`.
(a) What is the instantaneous value of the emf induced in the wire ?
(b) What is the direction of the emf ?
(c) Which end of the wire is at the higher electrical potential ?

Text Solution

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`1.5 xx 10^(-3)V, (b) ` West to East , (c) Eastern end.
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