Electricity

Is the symbol for _____.

• Light bulb

• Resistor

• Battery

• Switch

A battery is a source of alternating current.

• True

• False

What is the function of a resistor in an electrical circuit?

• To increase current

• To decrease resistance

• To limit current flow

• To store energy

Resistance is measured in a unit called _____.

• ampere

• ohm

• volt

• coulomb

An instrument used to measure potential difference is a(n) _____.

• Voltmeter

• Generator

• Ammeter

• Transformer

Is the symbol for _____.

• Light bulb

• Resistor

• Battery

• Switch

Clothes clinging together and lightning are examples of _____.

• current electricity

• circuit electricity

• alternating electricity

• static electricity

Is the symbol for _____.

• Light bulb

• Resistor

• Battery

• Switch

Items with like charges _____ each other.

• attract

• repel

• move

• none of the above

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

• Voltmeter

• Generator

• Ammeter

• Transformer