A switch must be connected in the :
(a) live wire
(b) neutral wire
(c) earth wire
(d) either earth or neutral wire.
Alongwith live wire and neutral wire, a third wire is also used in domestic electric wiring. What name is given to this third wire ?
Which one of the following statements is not true ?
(a) In a house circuit, lamps are used in parallel.
(b) Switches, fuses adn circuit breakes should be placed in the neutral wire
(c) An electric iron has its earth wire connected to the metal case to prevent the user receiving a shock
(d) When connecting a three-core cable to a 13 A three-pin plug, the red wire goes to the live pin.