A generator has 200 turns

PHYSICS · Single correct · CBSE · Physics · Electromagnetic Induction · Electromagnetic Induction

Problem

A generator has 200 turns, each of area

2.5\times10^{-2}\,\text{m}^2

, and is placed in a uniform magnetic field of

0.20\,\text{T}

. The coil is rotated at

50\,\text{revolutions per second}

. What is the rms value of the induced emf? (a)

157\,\text{V}

(b)

314\,\text{V}

(c)

222\,\text{V}

(d)

111\,\text{V}