Name: 
 

Electrostatics 04 Practice



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

In order for an object to become positively-charged, ____ the object.
a.
protons are added to
c.
electrons are added to
b.
protons are removed from
d.
electrons are removed from
 

 2. 

Which of the following would be considered a conductor?
a.
copper wire
c.
plastic
b.
balloon
d.
glass
 

 3. 

Which of the following would be considered an insulator?
a.
iron
c.
metal wire
b.
pop can
d.
plastic rod
 

 4. 

Which would conduct electricity better?
a.
wet skin
b.
dry skin
 

 5. 

If an object gains electrons, it now has a __ charge because electrons have a __ charge.
a.
positive, positive
d.
positive, negative
b.
negative, negative
e.
negative, positive
c.
neutral, negative
 

 6. 

If an object loses electrons, it now has a _____ charge because electrons have a
_____ charge.
a.
positive, positive
d.
negative, positive
b.
negative, negative
e.
neutral, negative
c.
positive, negative
 

 7. 

Two neutral objects are rubbed together.  Electrons are transferred from object A to object B.  This would cause object A to acquire a _____ charge and object B to acquire a _____ charge.
a.
positive,  positive
d.
positive,  negative
b.
negative,  negative
e.
negative,  positive
c.
positive,  neutral
 

 8. 

When two objects are charged by friction, ______.
a.
one object gains protons and the other loses electrons
c.
protons are transferred from one object to the other
b.
one object gains electrons and the other loses protons
d.
electrons are transferred from one object to the other
 

 9. 

Material X has a greater electron affinity than material Y.  When two neutral samples of these materials are rubbed together, _______. 
a.
protons are transferred from X to Y
c.
electrons are transferred from X to Y
b.
protons are transferred from Y to X
d.
electrons are transferred from Y to X
 

 10. 

Material X has a greater electron affinity than material Y.  When two neutral samples of these materials are rubbed together, _______. 
a.
X becomes negative and Y becomes positive
c.
X becomes positive and Y becomes positive
b.
X becomes negative and Y becomes negative
d.
X becomes negative and Y becomes positive
 

 11. 

A rubber balloon is rubbed on fur.  In the process, electrons are transferred from the fur to the rubber balloon.  As a result the balloon acquires ____.
a.
a positive charge
c.
no charge
b.
a negative charge
d.
none of the above
 

 12. 

A rubber balloon is rubbed on fur.  In the process, electrons are transferred from the fur to the rubber balloon.  As a result the fur acquires ____.
a.
a positive charge
c.
no charge
b.
a negative charge
d.
none of the above
 

 13. 

Which of the diagrams below best represents the charge distribution on a metal sphere when a positively-charged plastic tube is placed nearby?
a.
electrostatics04p_files/i0140000.jpg
c.
electrostatics04p_files/i0140001.jpg
b.
electrostatics04p_files/i0140002.jpg
d.
electrostatics04p_files/i0140003.jpg
 

 14. 

In order for an object to become negatively-charged, ____ the object.
a.
protons are added to
c.
electrons are added to
b.
protons are removed from
d.
electrons are removed from
 

 15. 

Which atomic particle is negatively charged?
a.
proton
c.
electron
b.
neutron
d.
all of the above
 

 16. 

Which atomic particle is positively charged?
a.
proton
c.
electron
b.
neutron
d.
all of the above
 

 17. 

Which atomic particle has no charge?
a.
protons
c.
electrons
b.
neutrons
d.
all of the above
 



 
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