Name:     ID: 
 
    Email: 

Electrostatics 04 - Grosland

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

 1. 

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 negative
c.
X becomes negative and Y becomes positive
b.
X becomes positive and Y becomes positive
d.
X becomes negative and Y becomes positive
 

 2. 

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.
none of the above
d.
a negative charge
 

 3. 

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

 4. 

Which of the diagrams below best represents the charge distribution on a metal sphere when a positively-charged plastic tube is placed nearby?
a.
sgroslandelectrostatics04_files/i0050000.jpg
c.
sgroslandelectrostatics04_files/i0050001.jpg
b.
sgroslandelectrostatics04_files/i0050002.jpg
d.
sgroslandelectrostatics04_files/i0050003.jpg
 

 5. 

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

 6. 

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

 7. 

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

 8. 

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

 9. 

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

 10. 

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

 11. 

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

 12. 

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

 13. 

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
 

 14. 

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,  neutral
d.
positive,  positive
b.
negative,  positive
e.
negative,  negative
c.
positive,  negative
 

 15. 

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

 16. 

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

 17. 

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.
a negative charge
b.
no charge
d.
none of the above
 



 
Submit          Reset Help