A wire frame is kept with its plane perpendicular to a uniform magnetic field of…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A wire frame is kept with its plane perpendicular to a uniform magnetic field of

0.50\,\text{T}

. The area of the frame is increasing uniformly at the rate

3.0\times10^{-4}\,\text{m}^2\text{ s}^{-1}

. Find the magnitude of the induced emf in the frame.