A 50-turn coil of area spins at a constant in a uniform magnetic field

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

Problem

A 50-turn coil of area

0.015\,\text{m}^{2}

spins at a constant

120\,\text{rad}\,\text{s}^{-1}

in a uniform

0.30\,\text{T}

magnetic field. The coil acts as an ac generator. What is the root-mean-square (rms) value of the emf produced? (a)

27\;\text{V}

(b)

19\;\text{V}

(c)

38\;\text{V}

(d)

13\;\text{V}