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Physics-

General

Easy

Question

A straight conductor of length $4 m$ moves at a speed of $10 m divided by s$ . When the conductor makes an angle of $30 degree$ with the direction of magnetic field of induction of $0.1 blank w b. m to the power of 2 end exponent$ then induced emf is

$8 V$
$4 V$
$1 V$
$2 V$

The correct answer is: $2 blank V$

Induced $e m f$ is given by
$e equals B v I sin invisible function application theta equals 0.1 cross times 10 cross times 4 sin invisible function application 30 degree equals 2 blank v o l t$

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