Circuits and Resistance

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 does a voltmeter measure?

• potential difference

• resistance

• charge

• current

Complete the equation: .............. = energy transferred / potential difference

• Current

• Time

• Charge

• Resistance

Tags

NGSS.HS-PS2-5

Which switch or switches must be closed to make the lamps light?

• Only switch 1 and 3

• Only switch 2

• Switches 1 and 2

• Switches 1 , 2 and 3

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

• It will go out

• It will stay lit

• It will get dimmer

• It will dissapear

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light

• The wires get hot

• The bulb is dimmer

• There is no change

Tags

NGSS.MS-PS1-2

A series circuit has ____ path(s) that the electric current can take.

• One

• Two

• Three

• Four

An object through which electrons can easily flow is called a(n) ___________.

• Insulator

• Conductor

What kind of circuit is this?

• Series

• Parallel

this is the symbol for a _____?

• light

• battery

• switch

• wires