Physics 5054 · O Level · Electrical safety

Electrical safety — practice question

A fuse is one type of protection used in an electrical circuit.
(a)[2]

State two other types of protection included in household electrical circuits. These may safeguard the consumer, the circuit, or an electrical appliance.

(b(i))[1]

State how Fig. 8.1 makes it clear that wire W is the live wire.

(b(ii))[1]

On Fig. 8.1, place a letter S to show the correct position for a switch that controls both lamps.

(b(iii))[1]

The fuse rating in the lighting circuit is 5 A. Explain what this means.

Worked solution & mark scheme

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