The electric potential supplied to a circuit is driven by electromagnetic induction through the relative motion of the conductor.
It is process through which an emf is produced in a conductor placed in a magnetic field when there is a relative motion of the conductor cutting across the flux of the field.
The motion of loop of wire through a magnetic field induces a voltage in the coil and the magnitude of the induced voltage is proportional to the speed or velocity of the movement of the loop.
Thus, the electric potential supplied to a circuit is driven by electromagnetic induction through the relative motion of the conductor.
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