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A bicycle wheel of radius 0.5 m has 32 s...

A bicycle wheel of radius 0.5 m has 32 spokes. It is rotating at the rate of 120 revolutions per minute, perpendicular to the horizontal component of earth's magnetic field `B_(H) = 4 xx 10^(–5)` tesla. The emf induced between the rim and the centre of the wheel will be-

A

`6.28xx10^(-5)V`

B

`4.8xx10^(-5) V`

C

`6.0xx10^(-5) V`

D

`1.6xx10^(-5) V`

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