Electric iron box and electric heater works on the principle of

Electric fan works on the principle of

An electric bell works on the principle of ______

An electric iron is based upon the principle of

Which of the following electrical appliances works on the principle of the magnetic effect of electric current ?

(a) Name one device which works on the magnetic effect of current. (b) Name one device which works on the phenomenon of electromagnetic induction. (c) Which device converts electric energy into mechanical energy? (d) Describe the principle of working of an electric motor. (e) Explain the principle of working of an electric generator.