Electricity

The only charges that can move from one object to another are___________ charges.

• electric
• neutral
• positive
• negative

Tags

NGSS.HS-PS2-4

Which of the following charge pairs would repel each other? (Choose all that apply)

• positive and negative

• negative and negative

• positive and positive

• negative and positive

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Determine how the following factor would affect the amount of resistance: longer wire

• increase resistance

• decrease resistance

• would not affect resistance

Tags

NGSS.MS-PS2-3

Determine how the following factor would affect the amount of resistance: cooler temperature

• increase resistance

• decrease resistance

• would not affect resistance

Tags

NGSS.MS-PS1-4

Determine how the following factor would affect the amount of resistance: insulating material

• increase resistance

• decrease resistance

• would not affect resistance

Determine how the following factor would affect the amount of resistance: thick wire

• increase resistance

• decrease resistance

• would not affect resistance

If you increase the size of the resistor and keep the voltage the same, what will happen to the current?

• Current will increase

• Current will decrease

• Current will stay the same

The unit for current is the 

• Volt
• Ohm
• Electron
• Amp

What is the unit for resistance?

• Volts
• Amperes
• Ohms

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V
• 0.2V
• 20V
• 200V

Tags

NGSS.MS-PS2-3