Electrical Circuits Key Stage 3 Revision Quiz | Two Thirty Volts

Revision Quiz: Electrical Circuits Age: 11-14 Year Olds

Question 1

For an electrical current to flow through an electrical circuit you need....?

Only a complete circuit.
A supply current and a complete circuit.
Only a supply current.

Question 2

Inserting a switch in a complete circuit with supply current allows...?

The flow of current to be increased.
The flow of current to be constant.
The flow of current to be stopped in a controlled manner.

Question 3

A simple, complete circuit that could visually demonstrate the flow of electricity would include ...?

A battery, switch and light bulb.
A battery and switch only.
A switch and light bulb only.

Question 4

The following circuit shows ...?

circuit

Two bulbs in series and one in parallel
Three bulbs in series.
Three bulbs in parallel.

Question 5

If one of the bulbs breaks in the circuit what happens to the other two bulbs...?

circuit

They both go out.
They both remain on.
One remains on and the other goes out.

Question 6

The following circuit shows...?

circuit

Two bulbs in series and one in parallel
Three bulbs in series.
Three bulbs in parallel.

Question 7

If one of the bulbs breaks in the circuit what happens to the other two bulbs...?

circuit

They both go out.
They both remain on.
One remains on and the other goes out.

Question 8

If a fourth bulb is added in series to the circuit what happens to the other bulbs...?

circuit

The bulbs remain the same.
The bulbs become dimmer.
The bulbs become brighter.

Question 9

If a fourth bulb is added in parallel to the circuit what happens to the other bulbs ...?

circuit

The bulbs remain the same.
The bulbs become dimmer.
The bulbs become brighter.

Question 10

Parallel circuits are useful because ...?

They require less wiring.
All other components keep working even when one fails.
They use less electricity.

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