(a) the two forces required for generators and electric motor to work is electricity and magnetism.
(b) In an electric motor, the energy transformation begins as electrical and becomes mechanical.
According to Faraday's law, an emf is induced when there is a relative motion of a conductor placed in magnetic field.
Thus, the two forces required for generators and electric motor to work is electricity and magnetism.
Electric motor is a type of dynamo which converts electrical energy to mechanical energy.
Thus, In an electric motor, the energy transformation begins as electrical and becomes mechanical.
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