Electricity Quiz Physics

Compared with most electrical devices, electrical wires have _____ resistance.

• a) very little

• b) slightly less

• c) slightly more

• d) much more

A space heater converts most of the electrical energy in the circuit into ________ energy.

• a) sound

• b) heat

• c) light

• d) mechanical

The flow of electricity in wires, motors, light bulbs and other devices is best called electrical

• a) resistance

• b) voltage

• c) current

• d) capacitance

Materials through which current will not easily flow are called

• a) conductors

• b) wires

• c) insulators

• d) metals

A device that measures the amount of current in a circuit is a(n)

• a) voltmeter

• b) resistor

• c) ammeter

• d) capacitor

Electrical current from a battery is

• a) always direct current

• b) always alternating current

• c) sometimes direct

• d) sometimes alternating current

A complete path over which electricity will flow is called a(n)

• a) closed circuit

• b) open circuit

• c) short circuit

• d) switch

Which of the following stores an electric charge?

• a) resistor

• b) capacitor

• c) light bulb

• d) generator

A unit of electrical power is the

• a) ohm

• b) volt

• c) watt

• d) amp

If four electric devices are connected in a series circuit, then the number of current paths is

• a) one

• b) two

• c) three

• d) four