HD Ch.13 PT - Basics of Electricity

An insulator or __________ is a substance that does not easily transmit electricity.

• vaporizer

• metal

• nonconductor

• water

What electrical term is abbreviated as AC?

• Alternating current

• Ampere current

• Active current

• Anaphoresis current

What apparatus changes alternating current (AC) to direct current (DC)?

• Inductor

• Rectifier

• Generator

• Transformer

The term used for measuring the strength of an electric current is:

• Wattage

• Voltage

• Ampere

• Ohm

What unit of measure is equivalent to 1/1,000 of an ampere?

• Microampere

• Milliampere

• Kiloampere

• Centiampere

The term used for measuring the resistance of an electric current is:

• Wattage

• Voltage

• Ampere

• Ohm

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

• Watt

• Voltage

• Ampere

• Ohm

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):

• Anode

• Cathode

• Anion

• Cation