Physics

Problem

A generator has a coil of

N=200

turns and area

150\,\text{cm}^2

. It rotates uniformly in a magnetic field of

0.30\,\text{T}

1500\,\text{rev min}^{-1}

. Calculate the rms value of the emf produced (to the nearest volt). a)

141\,\text{V}

70\,\text{V}

100\,\text{V}

60\,\text{V}