Name four appliances wherein an electric motor, a rotating device that converts electrical energy to mechanical energy, is used as an important component. In what respect motors are different from generators?
The four appliances such as electric fans, washing machines, mixers grinders, electric drills, tape recorders, etc., use an electric motor as a rotating device that converts electrical energy to mechanical energy.
The motor is a machine which converts the electric energy into mechanical energy.
The generator is the device which converts mechanical energy into electrical energy. It is used to convert the mechanical power to electric power which varies in the magnitude with a specific frequency.