IS_Section Quiz_8.1-8.2_e

The mains socket is a source of chemical energy.

• True

• False

Electricity can flow in a closed circuit with a source of electrical energy.

• True

• False

Graphite is an electrical insulator.

• True

• False

Electric wires are usually made of copper.

• True

• False

In a circuit diagram, the connecting wires must be drawn as straight lines.

• True

• False

Power bank is a source of electrical energy.

• True

• False

All liquids are electrical insulators.

• True

• False

When a switch is open, the circuit becomes incomplete.

• True

• False

Overhead power lines are made of copper.

• True

• False

In a circuit diagram, the circuit is drawn with right-angled corners.

• True

• False