2021 P5 Electricity Quiz

Nathan set up the circuit as shown. When he closed the switch, the bulb blew. Which of the following would have prevented the bulb from blowing?

• using few batteries

• closing the switch more quickly.

• changing the direction of the switch

• changing the direction of all batteries

When the switch is closed, the bulb does not light up. What could X be?

• rubber

• copper

• aluminum

• lead

When the switch is closed, the bulb lights up. What could X be?

• rubber

• plastic

• wood

• lead

When the switch is closed, the bulb lights up. Which of the following statements is true?

• X is electrical insulator and Y is electrical conductor.

• X is electrical conductor and Y is electrical insulator.

• Both X and Y are electrical conductors.

• Both X and Y are electrical insulators.

When the switch is closed, the bulb does not light up. Which of the following statements is true?

• X is electrical insulator and Y is electrical conductor.

• X is electrical conductor and Y is electrical insulator.

• Both X and Y are electrical conductors.

• Both X and Y are electrical insulators.

All switches are closed and L1 and L2 light up. Which switch should be opened so that both L1 and L2 will not light up?

• S1

• S2

• S3

• S4

All switches are closed and L1 and L2 light up. Which switch should be opened so that only L2 lights up?

• S1

• S2

• S3

• S4

Identify the insulator of electricity (or electrical insulator) below.

• aluminum foil

• paper clip

• rubber eraser

Which statement is true?

• The light bulb will light up because there is no gap and the circuit is closed.

• The light bulb will not light up because there is gap and the circuit is opened.

Will the bulb light up?

• Yes. The battery is connected to both the metal tip and metal casing.

• No. The battery is not connected to the glass bulb