Write tha principle of working of an electric motor.
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The D.C. electric motor works on the principle that when current is passed through a conductor placed normally in a magnetic field, a force acts on the conductor as a result of which the conductor begins to move.
The A.C. electric motor works on the principle of electromagnetic induction, which is the phenomenon in which an e.m.f. is induced in a coil if there is a change in the magnetic flux linked with the coil.
The A.C. electric motor works on the principle of electromagnetic induction, which is the phenomenon in which an e.m.f. is induced in a coil if there is a change in the magnetic flux linked with the coil.
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