State whether the following statements are true or false.
(a) An electric motor converts mechanical energy into electrical energy.
(b) An electric generator works on the principle of electromagnetic induction.
(c) The field at the centre of a long circular coil carrying current will be parallel straight lines.
(d) A wire with a green insulation is usually the live wire.

Explanation

(a) False. An electric motor converts electric energy into mechanical energy.
(b) True.
(c) True.
(d) False. A wire with a green insulation is usually the earth wire.