Current, voltage, resistance

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

The movement of electrons from atom to atom in a line results in a flow of _____. 

• amperage.
• electric current.
• electromagnetic connectors. 

As the resistance of a circuit increases, the current will

• increase
• decrease
• stay the same

Which best describes a parallel circuit?

• Electricity flows along one pathway.
• The flow of electricity comes from one source. 
• Electricity flows along more than one pathway. 
• The flow of electricity comes from more than one source. 

What kind of circuit is this?

• series
• parallel

Tags

NGSS.4-PS3-2

Which statement is true?

• The light bulb will light up because the circuit is complete.

• The light bulb will light up because the circuit is broken.

• The light bulb will not light up because the circuit is complete.

• The light bulb will not light up because the circuit is open.

In a parallel circuit, if one connection is broken, all of the connections stop working.

• True.

• False.

Resistance is

• Measured using an ammeter

• Units are 'volts'

• How difficult it is for electrons to move through an object

• The continuous movement of electrons in a wire

A conductor has _____ resistance. An insulator has ______ resistance.

• Low; high.

• Negative; positive.

• Positive, negative.

• High, low.

A resistor

• Is the same as resistance

• Is connected to a circuit in parallel

• Is used in a circuit to control the amount of current

• Is not measured in ohms