TN Physical Science Ch 7 Electricity

Which of the following is NOT a safety device that stops the flow of too much current?

• fuses

• ammeter

• circuit breaker

• ground wire

What is the ability of an object to resist or restrict current called?

• voltage

• restriction

• resistance

• amps

If you place four 1.5 AA batteries are placed in a series, what is the total voltage of the batteries?

• 4.5 volts

• 6 volts

• 60 volts

• 41.5 volts

Electric currents pass easily through ___________

• insulators

• wood

• plastic

• conductors

Which is NOT a good conductor of electricity?

• steel

• plastic

• copper

• iron

What is an ohm a unit of measure for?

• resistance

• current

• voltage

• conductivity

Select ALL that are true about insulators.

• They are opposite of conductors.

• They may be wood, rubber, or glass.

• Allow electricity to flow easily through materials.

• Do not allow electrons to move easily because they are held tightly.

The process of transferring charge by touching is ________

• charging by contact

• charging by induction

The rearrangement of electrons on a neutral object caused by a nearby charged object is ______

• charging by contact

• charging by induction

Socks tumbling in a dryer is an example of

• charging by contact

• charging by induction