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WorksheetsElectrostatics
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
When a plastic rod is rubbed with wool, why does the wool acquire a positive charge?
a)
Protons are transferred from the rod to the wool.
b)
Protons are transferred from the wool to the rod.
c)
Electrons are transferred from the rod to the wool.
d)
Electrons are transferred from the wool to the rod.
2.
Sphere A carries a charge of +8 coulombs, and Sphere B carries a charge of -6 coulombs. If the two are touched together and then separated, what will the charge on sphere A be?
a)
+1
b)
-1
c)
+2
d)
-2
3.
When a rod is brought near a neutral electroscope, the leaves diverge. Which statement best describes the charge on the rod?
a)
It must be positive.
b)
It must be negative.
c)
It may be positive or negative.
d)
It may be neutral.
4.
A negatively charged rod is brought near a neutral electroscope, causing the leaves to diverge. This is an example of....
a)
Conduction
b)
Induction
c)
Insulation
d)
Friction
5.
If an object has an excess charge of -8.0x10^-19C, how many excess electrons does the object have?
a)
2
b)
3
c)
4
d)
5
6.
If an object has an excess of 18 electrons, what is the charge on the object?
a)
12.8x10^-19C
b)
28.8x10^-19C
c)
14.4x10^-19C
d)
6.4x10^-19C
7.
Which method of charging an object leaves both objects with the same charge?
a)
Friction
b)
Conduction
c)
Induction
d)
Electroscope
8.
If a positively charged rod is brought near a neutral pith ball, what will the pith ball do?
a)
Move away from the rod
b)
Move toward the rod
c)
Do nothing
d)
Disappear
9.
If a negative rod is brought near a neutral electroscope, how will the electrons on the electroscope move?
a)
Toward the rod
b)
Away from the rod
c)
Onto the rod
d)
Away from the leaves
10.
Balloon A simultaneously touches Balloons B and C. Balloon A started with a charge of -4e, Balloon B started with a charge of +2e, and Balloon C started with a charge of +14e. What will be the new charge on Balloon A after they were all allowed to touch?
a)
+12e
b)
+6e
c)
+8e
d)
+4e
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