Electricity

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.MS-PS2-3

NGSS.MS-PS2-5

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

• increase resistance

• decrease resistance

• would not affect resistance

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

The unit for current is the 

• Volt
• Ohm
• Electron
• Amp

Tags

NGSS.HS-PS2-5

What is the unit for resistance?

• Volts
• Amperes
• Ohms

If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor

• 2.1 Amps
• 2.4 Amps
• 1.71 Amps
• 15 Amps

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

• 5V
• 0.2V
• 20V
• 200V

Electricity that flows in a closed path is called a

• path
• current
• circuit

What type of circuit is this?

• Series

• Parallel

• Simple