Physics
A power circuit uses a cable having three different wires.
(a) Name the three wires of the cable.
(b) Between which of the two wires should the heating element of an electric geyser be connected?
(c) To which wire should the metal case of the geyser be connected?
(d) To which wire should the switch and fuse be connected?
Answer
(a) The three wires of the cable are live wire, earth wire and neutral wire.
(b) The heating element of an electric geyser should be connected between the live wire and neutral wire.
(c) The metal case of the geyser should be connected to the earth wire.
(d) The switch and fuse should be connected to the live wire.
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