Physics

Problem

A 200-turn coil of area

0.020\,\text{m}^2

rotates at

50\,\text{rev}\,\text{s}^{-1}

in a uniform magnetic field of

0.10\,\text{T}

. Calculate the rms value of the emf generated. a)

178\,\text{V}

63\,\text{V}

89\,\text{V}

126\,\text{V}