Unit 9: Electricity Review

Lights strung together in a line along a circuit would be an example of a _____ circuit.

• short

• parallel

• series

• resistor

How is a conductor different from an insulator?

• In a conductor, electric current can flow freely; in an insulator, it cannot flow freely

• In a conductor, electric current cannot flow freely; in an insulator, it can flow freely

• Conductors have magnetic fields; insulators do not have magnetic fields

• Conductors do not have magnetic fields; insulators do have magnetic fields

What is a circuit?

• an unbroken loop of conductive material through which electrons flow continuously

• the same as an insulator

• a broken loop of conductive material through which electrons flow continuously

How does electricity flow?

• from high potential to low potential

• from conductor to insulator

• from series circuit to parallel circuit

• from low potential to high potential

What is electricity?

• the flow of electric charge

• the flow of negative electric charge

• the orbit of electrons around a nucleus

• the flow of positive electric charge

What does a moving charge experience when it is near a magnetic field?

• a force

• a stationary charge

• gravity

• static friction

Where is the resistor located on this diagram?

• A

• C

• D

• B

Where is the switch located on this diagram?

• A

• C

• D

• B

In the diagram, if a lightbulb is placed at D and B is closed (as shown), what will happen?

• the lightbulb will be dimmer than normal

• the lightbulb will be off

• the lightbulb will be shorted

• the lightbulb will be on

Electricity is the movement of _____.

• circuit

• electrons

• molecules

• atoms