Electrostatics & Electricity Unit Test Review

Two like charges

•  neutralize each other.
• repel each other. 
• must be neutrons. 
• attract each other.

What direction are the electric field lines around an electron?

• towards the charge
• away from the charge

When a balloon is rubbed on clothes it acquires a charge by ___________

• Induction
• reduction
• friction 
• concuction

Where do electrons go when you rub a balloon on your hair?

• Onto the balloon
• Into your hair
• Nowhere

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

• induction
• polarization
• neutralization
• conduction

What direction are the electric field lines around a proton?

• towards the charge

• away from the charge

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

Label the charges respectively:

• +; +

• +; -

• -; -

• -; +

What is the missing charge?

• positive +

• negative -

• impossible to tell

An electric field has-

• no direction

• only magnitude

• both magnitude and direction

• a uniformed strength throughout