(a) An electric motor converts mechanical energy into electrical energy.
► False
An electric motor converts electrical energy into mechanical energy.
(b) An electric generator works on the principle of electromagnetic induction.
► True
(c) The field at the centre of a long circular coil carrying current will be parallel straight lines.
► True
(d) A wire with a green insulation is usually the live wire of an electric supply.
► False
Live wire has red insulation cover, whereas earth wire has green insulation colour in the domestic circuits.
