Choose the correct option. A rectangular coil of copper wire is rotated in magnetic field. The direction of the induced current changes ones in each (a) two revolutions (b) one revolution (c) half revolution (d) one-fourth revolution
Choose the correct option.
A rectangular coil of copper wire is rotated in magnetic field. The direction of the induced current changes ones in each
(a) two revolutions (b) one revolution
(c) half revolution (d) one-fourth revolution