A rectangular coil of 300 turns has an a...

A rectangular coil of `300` turns has an average area of `25 cmxx10 cm` the coil rotates with a speed of `50 cps ` in a uniform magnetic field of strength `4xx10^(-2)T` about an axis perpendicular of the field. The peak value of the induced e.m.f. is (in volt)`

`300pi`

`3000pi`

`3pi`

`30pi`

Text Solution

Verified by Experts

The correct Answer is:

Peak value of induced emf in a rectangular coil.
`e=NBQA omega sin theta`
`=300xx4xx10^(-2)xx(25xx10xx10^(-4))xx(2pixx50)xxsin90^(@)`
`=30piV`

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