(a) Name the three connecting wires used in a household circuit.

(b) Which of the two wires mentioned in part (a) are at the same potential?

(c) In which of the wire stated in part (a), the switch is connected?

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Solution

(a) The three connecting wires used in a household circuit are:

(i) Live (or phase) wire (L),

(ii) Neutral wire (N), and

(iii) Earth wire (E).

(b) Among them neutral and earth wires are at the same potential.

(c) The switch is connected in the live wire

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