Derive an expression for induced emf when a coil rotates with uniform angular velocity in a unifrom magnetic field.

A coil of N-turns in series and each of area A rotates with unifroms angular velocity omega in a unifrom magnetic field of induction B. The maximum value of induced emf is

Write down the expression for the induced emf.

Write down the expression of induced emf due to rotation of a coil.

Write down the expression of induced emf due to translation.

A horizontal rod of length 'l' rotates about a vertical axis with a uniform angular velocity 'omega' . A uniform magnetic field of induction B exists parallel to the axis of rotation. The potential different between the ends of the rod is