The symbol shows a _____.

There are _____ batteries in the diagram,

with the positive terminal on the _____.

Ammeters must be connected in _____ to measure current.

Voltmeters must be connected in parallel to measure _____.

The _____ makes use of the magnetic effect of current.

Power is the amount of _____ converted in one second.

The S.I. unit for potential difference is _____.

Ampere is the S.I. unit for _____.

A 2 kW freezer is used for 3 hours. The energy used is _____ kWh.

An electric iron has a power rating of 1800 W.

This means _____ is converted in 1 second.

1 kWh costs 20 cents.

Using a 3 kW lamp for 2 hours will cost _____ cents.

Which one CANNOT help to prevent electrocution?

Two-pin plugs do NOT have the _____ wire.

A/An _____ is NOT a safety electrical device.

The _____ melts and breaks the circuit to protect the appliance when the current is too high.

The S.I. unit for Power is _____.

This diagram shows _____.

There is a damaged insulation.

The best thing to do is to _____.

The diagram shows a _____.