Question

what is principal of electric motor

Answer 1

Electrical MotorThe electric motor is a device which converts electrical energy to mechanical energy. There are mainly three types of electric motor. All of these motors work in more or less same principle. Working of electric motor mainly depends upon the interaction of magnetic field with current.

Answer 2

When current is passed through a coil kept inside a magentic field of two magnets then the coil starts rotating. Here electrical energy is converted into mechanical energy.