Electrical Currents and Circuits

What is the scientific name for the factor in a circuit that slows down electric current?

• Light bulb

• voltage

• Resistance

• Ammeter

What is the unit for electric current

• amps (a)

• Amps (A)

• Ohms

• Volts (V)

A circuit that has a branch is called...

• A complete circuit

• A series circuit

• A parallel circuit

• An electric circuit

Which circuits will work?

• Circuit 2

• Circuit 2, 3

• Circuit 2, 4

• Circuit 3

Tags

NGSS.HS-PS2-5

What is the unit for resistance?

• Resistors

• Volts

• Amps

• Ohms

What is the name of the charged particle that moves around an electric circuit?

• atom

• proton

• electron

• electric current

What would you need to measure electric current in a circuit?

• lamp

• voltmeter

• ammeter

• ruler

What is this the symbol for?

• A resistor

• A motor

• A variable resistor

• A switch

If switch S1 and S2 are closed, which bulbs go on?

• A, B, C and D

• A and B

• C and D

• A, B and C

Which materials from this list are insulators?

Steel comb, wooden spoon, glass rod, coin, copper wire, rubber band

• steel comb, coin, copper wire

• Steel comb, wooden spoon, rubber band

• wooden spoon, glass rod, coin, rubber band

• wooden spoon, glass rod, rubber band

Tags

NGSS.MS-PS2-3