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A rectangular coil of area A rotates in ...

A rectangular coil of area A rotates in a uniform magnetic field B with angular velocity about an axis perpendicular to the field, initially the plane of coil is perpendicular to the field,then the avarage induced e.m.f. after rotating by `90°` is

A

`(omega BA)/(pi)`

B

`(omega BA)/(2pi)`

C

`(omega BA)/(4pi)`

D

`(2omega BA)/(pi)`

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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-III
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