electricity and wave gr 9 review

It is the continuous flow of electric charges through a material.

• electric current

• electric charge

• battery

• resistance

Electric current is measured in a unit called _____.

• Volt

• ampere

• ohm

• coulomb

The instrument used to measure electric current is a(n) _____.

• Voltmeter

• Generator

• Ammeter

• circuit

Which of the following is an example of voltage source?

• Resistor

• light bulb

• wire

• battery

The difference in electric potential energy between two places in a circuit is called __________.

• Voltage

• electric current

• resistance

• electric energy

The instrument used to measure potential difference is a(n) ____

• Voltmeter

• Generator

• Ammeter

• circuit

The tendency for a material to oppose the flow of electrons is _____

• Voltage

• resistance

• electric current

• electric energy

Items with opposite charges _____ each other.

• Move

• repel

• attract

• none of these

Resistance is measured in a unit called _____.

• Volt

• ampere

• coulomb

• ohm

It gives off light and heat when electricity flows through it.

• Battery

• wire

• light bulb

• resistor