Chapter 19 Test

A positively charged object and a negatively charged object will repel each other

• True
• False

objects can often become electrically charged by simply rubbing them together

• T

• F

Electric field lines point toward negative objects

• True
• False

The electric force requires objects to be in contact with each other

• True
• False

A laser printer uses static electricity as part of its copying and printing process

• T

• F

An open circuit allows current to flow

• T

• F

Resistance increases as temperature increases

• T

• F

A fuse opens the circuit by melting when it overheats because there is too much current in the circuit

• T

• F

The current of a short circuit can move through people

• T

• F

A static charge is usually produced by the removal or addition of

• ions
• neutrons
• electrons
• protons