Circuits Review

Conventional current is the flow of

• positive charge

• negative charge

• neutral charge

Which circuit will have brighter bulbs if the batteries and bulbs are identical in both?

• A

• B

• The bulbs have the same brightness on both circuits

Which circuit has a lower power consumption if the batteries and bulbs are identical in both.

• A

• B

• The circuits have the same power consumption.

What quantity is the same at all points in a series circuit?

• Voltage

• Power

• Resistance

• Current

What quantity is the same in each branch of a parallel circuit?

• Voltage drop

• Resistance

• Power

• Current

What will happen when the switch is closed?

• A short circuit will be created

• The bulb will become brighter

• Nothing will happen

What happens to the equivalent (total) resistance as resistors are added to a series circuit?

• Total resistance increases

• Total resistance decreases

• Total resistance remains the same

What happens to the equivalent (total) resistance as resistors are added in parallel?

• Total resistance increases

• Total resistance decreases

• Total resistance remains the same

What is current I₃?

• 3 A

• 7 A

• 15 A

Tags

NGSS.HS-PS2-5

What happens to the current as resistors are added to a series circuit?

• Current increases

• Current decreases

• Current stays the same