Electricity pre test

another name for a 'charged atom' is

• an ion

• a cation

• a proton

• a current

the unit of measurement for electric current is

• voltage

• Watts

• Ohms

• Amperes (Amps)

a substance that allows electric current to flow through it easily is

• an insulator

• a resistor

• a conductor

• an electric circuit

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

• single circuit

• parallel circuit

• series circuit

• double circuit

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

• single circuit

• parallel circuit

• series 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

• voltage

• resistance

• current

• electric circuit

In a series circuit, which of the following quantities remains the same throughout the circuit?

• current

• voltage

• current & voltage

• none

An example of a good insulator is

• aluminium

• glass

• copper

• steel

in a circuit diagram, what do these symbols represent?

• light bulb

• battery

• connect wire

• resistor