A closed coil consists of turns

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

Problem

A closed coil consists of

500

turns, has area

4\,\text{cm}^2

, and resistance

50\,\Omega

. The coil is kept with its plane perpendicular to a uniform magnetic field of

0.2\,\text{Wb m}^{-2}

. Calculate the amount of charge flowing through the coil if it is rotated through

180^\circ