Current, Ohm's Law and Power

What is the flow of electrical charge through a circuit called?

• Current

• Voltage

• Resistance

• Power

What is the electrical force that causes current to flow in a circuit called?

• Current

• Voltage

• Resistance

• Power

Tags

NGSS.HS-PS3-5

How much charge flows through a wire in 80s if the current is a constant 5.4A?

• 432C

• 360C

• 524C

• 344C

A 3A current flows through a television. How long would it take for 1500C to flow through it?

• 4500s

• 500s

• 50s

• 450s

Current entering and leaving a point in a circuit should be

• equal

• decreasing

• increasing

• variable

Which of these is true for this wire diagram?

• i1 + i5 +i4 = i2 + i3

• i1 + i5 +i3 = i2 + i4

• i5 + i2 +i4 = i1 + i3

• i1 + i5 = i2 + i3 + i4

Drag the correct amperage to each spot on the wire.

a

b

c

2 A

3 A

1 A

4 A

What is the emf of a battery that increases 0.00088C of charge by 0.5J as it moves from negative to positive terminal in the battery?

• 0.002 V
• 1.5 V
• 0.1 V
• 568.18 V

Tags

NGSS.HS-PS3-1

The unit for resistance is

• watt

• ohm

• volt

• ampere

Resistance is

• A measure of the difference in potential energy

• A measure of the amount of charge moving

• A measure of opposition to electric current