A coil of area A is kept perpendicular in a magnetic field B . If the coil is rotated by $180^{\circ

Question

A coil of area A is kept perpendicular in a magnetic field B . If the coil is rotated by $180^{\circ}$, change in flux will be ( $\mathrm{n}=$ no. of turns)\

Professor PC Thomas Classes · Answer

$\mathrm{d} \phi=2$ BAN\