Milady Foundations 7 Electricity

An insulator or _______________ is a substance that does not easily transmit electricity. Circle the letter that correctly completes the statement.

• vaporizer

• metal

• nonconductor

• water

What electrical term is abbreviated as AC? Circle the letter that correctly completes the statement.

• alternating current

• ampere current

• active current

• anaphoresis current

Tags

NGSS.HS-PS3-5

What apparatus changes alternating current (AC) to direct current (DC)? Circle the letter that correctly completes the statement.

• inductor

• rectifier

• generator

• transformer

The term used for measuring the strength of an electric current is _______________. Circle the letter that correctly completes the statement.

• wattage

• voltage

• ampere

• ohm

What unit of measure is equivalent to 1/1,000 of an ampere? Circle the letter that correctly completes the statement.

• microampere

• milliampere

• kiloampere

• centiampere

Tags

NGSS.HS-PS2-5

The term used for measuring the resistance of an electric current is _______________. Circle the letter that correctly completes the statement.

• wattage

• voltage

• ampere

• ohm

The term used for measuring how much electric energy is being used in one second is _______________.

Which safety devices prevent the overheating of electric wires?

• fuses and busters

• fuses and circuit breakers

• circuit breakers and volts

• fuses and conductors

Which apparatus conducts electric current from an electrotherapy device to the client’s skin?

• moderator

• converter

• electrode

• rectifier

A positive electrode is called a(n) _______________.

Tags

NGSS.HS-PS2-5