Physics

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}

19\;\text{V}

38\;\text{V}

13\;\text{V}