The main fuse is connected in :

(a) live wire

(b) neutral wire

(c) both the live and earth wires

(d) both the earth and neutral wires.

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Solution

The main fuse is connected in the live wire.

The main fuse is connected in the live wire so that if the current exceeds its rating, the fuse melts and breaks the circuit; thus, preventing the excessive current from flowing into the circuit.

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A switch must be connected in the :

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