ARMBRUSTER Electrostatics 1st Semester Review

Electric charge is neither created nor destroyed, but can be rearranged.

• true
• false

An atom loses an electron.  What type of charge does it have now?

• positive
• negative

What direction are the electric field lines around an electron?

• towards the charge
• away from the charge

What does it mean when the electric field lines are close together?

• the field is positive
• the field is negative
• The field is strong
• the field is weak

Which of the following labeled points is in the region with the strongest force of electric charge

• A
• B
• C
• D

The electrostatic force between two charges located 2 meters apart is 0.10 N.  What will the force be between these charges when they are located 1 meter apart?

• 0.40 N
• 0.20 N
• 0.10 N
• 0.05 N

How is the electric force between two charges affected when both of the charges are doubled?

• four times as much
• two times as much
• half as much
• one quarter as much

Two like charges

• neutralize each other.

• repel each other.

• must be neutrons.

• attract each other.

Two similar metal spheres, A and B, have charges of +2.0 x 10^-6 coulomb and +1.0 x 10^-6 coulomb, respectively. The magnitude of the electrostatic force on A due to B is 4.0N newtons. What is the magnitude of the electrostatic force on B due to A?

• 2.0N

• 4.0N

• 8.0N

• 1.0N

which is the field for opposite charges

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