Electricity Quiz

What is electricity?

• A form of energy that, when in motion, exhibits magnetic, chemical, or thermal effects.

• A type of chemical reaction.

• A form of static energy.

• A type of mechanical energy.

What is the flow of electricity along a conductor called?

• Electric current

• Magnetic field

• Thermal energy

• Chemical reaction

What is a conductor?

• A substance that does not transmit electricity

• A material that easily transmits electricity

• A type of electric current

• A chemical reaction

Which of the following is a good conductor?

• Pure water

• Plastic

• Copper

• Wood

What is a nonconductor also known as?

• Conductor

• Insulator

• Converter

• Rectifier

What type of current is constant and even-flowing in one direction?

• Alternating current (AC)

• Direct current (DC)

• Rectified current

• Converted current

What is the purpose of a converter?

• To change alternating current into direct current

• To change direct current into alternating current

• To measure electric current

• To increase voltage

What does a rectifier do?

• Changes direct current into alternating current

• Changes alternating current into direct current

• Measures electric current

• Increases voltage

What does a volt measure?

• Resistance of an electric current

• Pressure that forces electric current forward

• Strength of electric current

• Amount of electric energy used

What is an ampere also called?

• Volt

• Ohm

• Amp

• Watt