Year 9 Electricity Pre-Test

Another name for a 'charged atom' is:

• an ion

• a proton

• a cation

• a current

The unit of measurement for electric current:

• Voltage

• Watts

• Ohms

• Amperes (Amps)

A substance that allows electric current to flow through it easily:

• Insulator

• Conductor

• Resistor

• Electric Circuit

What is the name of an electrical circuit in which the current flows through two or more separate paths?

• Single Circuit

• Series Circuit

• Parallel Circuit

• Double Circuit

What is the name of an electrical circuit in which the electric current passes through each circuit element in order.

• Single Circuit

• Series Circuit

• Parallel Circuit

• Double Circuit

The amount of electrical energy flowing in a circuit per second.

• Voltage

• Current

• Resistance

• Electric Circuit

A measure of how difficult it is for current to pass; measured in ohms (Ω)

• Voltage

• Resistance

• Current

• Electric Circuit

In series circuit, which of the following quantity remains same throughout the circuit:

• Current

• Current and Voltage

• Voltage

• None

A good insulator is...

• Aluminium

• Glass

• Copper

• Steel

In a circuit diagram, what do these symbols represent?

• Light Bulb

• Battery

• Connected Wire

• Resistor