What is the principle of an electric motor?

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(A) The working principle of an electric motor is based on the magnetic effect of current.When a current-carrying coil is placed in a magnetic field,i

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Magnetic effect of current

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(A) The working principle of an electric motor is based on the magnetic effect of current.When a current-carrying coil is placed in a magnetic field,it experiences a mechanical force that causes it to rotate.This phenomenon is described by the magnetic effect of electric current.The direction of the force (and thus the rotation) is determined by Fleming's left-hand rule.

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