Static Electricity

Electric charge is _____________.

• found only in a conductor

• conserved

• found only in insulators

• not conserved

Two charges exert a force of 40 N on each other. if we cut the distance between them in half, what is the new force they feel?

• 20

• 80

• 160

• 10

Tags

NGSS.HS-PS2-4

Two charged objects exert a force of 200 N on each other. If one of the charges becomes 3 times bigger, what is the new force?

• 203

• 600

• 66.7

• 1800

Tags

NGSS.HS-PS2-4

According to Coulomb's law, you can do all of the following to increase the electric force of repulsion EXCEPT

• Increase charge 1
• Increase charge 2
• Decrease the distance
• Increase the distance

Tags

NGSS.HS-PS2-4

What are the charges of a proton, neutron, and electron (in order)

• positive, negative, neutral

• negative, neutral, positive

• neutral, positive, negative

• positive, neutral, negative

You charge a balloon by rubbing it on your hair. This is an example of what method of charging?

• Friction

• Conduction

• Grounding

• Induction

The SI unit of charge is ___________.

• the ampere

• the newton

• the coulomb

• the joule

Tags

NGSS.HS-PS2-4

What is the end result of charging two objects by friction?

• Object have the same charge, so they will attract one another.

• Object have the same charge, so they will repel one another.

• Object have opposite charges, so they will attract one another.

• Object have opposite charges, so they will repel one another.

What method of charging is shown in this picture?

• Contact

• Friction

• Grounding

• Electron Shifting

Tags

NGSS.MS-PS2-3

What is the end result of charging by contact?

• Objects have the same charge, so they will attract one another.

• Objects have the same charge, so they will repel one another.

• Objects have opposite charges, so they will attract one another.

• Object have opposite charges, so they will repel one another.