F.4 Ch. 22 Check Concept - Electric Power & Domestic Electricity

All sockets are connected to the ring power circuit in parallel.

• True

• False

Current from the main circuit will be divided into two parts in the ring power circuit. Hence, thinner and cheaper cables can be used.

• True

• False

The potential of live wire is always higher than that of neutral wire.

• True

• False

The fuse value is the maximum current required to blow the fuse.

• True

• False

If the live wire touches the metal body accidentally, a large current will flow through the earth wire to the earth and electric appliance can still work normally.

• True

• False

If the neutral wire touches the metal body accidentally, the current will flow through the earth wire to the earth and electric appliance can still work normally.

• True

• False