Electricty

The force between two charged objects with the SAME charge is

• attractive
• repulsive

The force between two charged objects with the OPPOSITE charge is

• attractive
• repulsive

When an object has equal amounts of protons and electrons, that object is

• positive
• negative
• neutral
• explosive

Batteries have

• two negative terminals
• two positive terminals
• one positive and one negative terminal
• no terminals

which of these affect the resistance of a material?

• temperature
• type of material
• length
• all of these

Something with high resistance is a(n)

• conductor
• insulator

Something with low resistance is a(n)

• conductor
• insulator

When a superconductor's temperature is below the critical temperature, what happens?

• the resistance doubles
• the resistance is cut in half
• the resistance is almost zero
• the resistance is zero

A device that protects a circuit from current overload is a(n)

• insulator
• circuit breaker
• switch
• resistor

A device that protects a circuit from current overload is a(n)

• conductor 
• fuse
• capacitor
• resistor