1.

The principle of working of a motor is

Answer»

there is a magnetic field around a current carrying conductor.
when a magnetic field linked with a conductor changes, an induced emf is generated in the conductor.
the change of current in ONE COIL, induces emf in a neighbouring coil.
a conductor carrying electrical current EXPERIENCES mechanical FORCE if kept in a magnetic field

Solution :a conductor carrying electrical current experiences mechanical force if kept in a magnetic field.


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