Electrostatics Test Review

What do you call the process of charging a conductor by bringing it near another charged object?

• induction
• polarization
• neutralization
• conduction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When you charge a balloon by rubbing it on your hair this is an example of what method of charging?

• Friction

• Conduction

• Grounding

• Induction

What method of charging was used to get Ms. E's hair to stick up?

• Friction

• Conduction

• Induction

• Convection

What happens to the force between two charged objects when you double the distance between them?

• Increases 2F

• Decreases

  $\frac{1}{2}F$

• Increases 4F

• Decreases $\frac{1}{4}F$

The force between two charged objects is 10 N. If you triple the magnitude of both charges, what is the new force?

• 1.1 N

• 90 N

• 3.3 N

• 30N

If the distance is reduced by half, what happens to the force?

• Quadruples
• Doubles
• Triples
• Reduces by half

When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?

• they are removed from the rod
• they are added to the rod

Tags

NGSS.HS-PS3-5

Insulators are different than conductors in that insulators ____.

• do not contain electrons or protons 
•  do not contain any charge
• have a weaker affinity for electrons 
• do not allow charge to freely move 

When a plastic rod is rubbed with wool, the wool acquires a positive charge because

• protons are transferred from the wool to the rod
• protons are transferred from the rod to the wool
• electrons are transferred from the rod to the wool
• electrons are transferred from the wool to the rod

Tags

NGSS.HS-PS1-2

Which image shows a neutral ball after a positively charged balloon is brought near the left side, but doesn't touch?

• A

• B

• C

• D