IS7 - Unit 4 Test

Front

Normally, atoms are electrically neutral because there are ____.

Back

equal numbers of protons and electrons

Front

The imbalance of electric charges on an object is called a ____.

Back

static charge

Front

A material through which electrons do NOT readily flow is a(n)____.

Back

insulator

Front

Two objects will attract one another when they have ____.

Back

opposite charges

Front

One example of a good conductor is ____.

Back

copper

Front

An electric field gets stronger as you ____.

Back

get closer to a charge

Front

The steady flow of electrons through a conductor is ____.

Back

an electric current

Front

Copper is used in household wiring because ____.

Back

it has a low resistance

Front

Which of the following has the least resistance? a short, thick metal wire, wood, a long, narrow metal wire, plastic

Back

a short, thick metal wire

Front

When the resistance in an electrical circuit increases, the current flowing in the circuit ____.

Back

decreases