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WorksheetsElectrostatic Physics
Total questions: 24
Worksheet time: 20mins
Name
Class
Date
1.
What direction are the electric field lines around an electron?
a)
towards the charge
b)
away from the charge
2.
What does it mean when the electric field lines are close together?
a)
the field is positive
b)
the field is negative
c)
The field is strong
d)
the field is weak
3.
Charged objects are not attracted to neutral objects
a)
True
b)
False
4.
What direction are the electric field lines around a proton?
a)
towards the charge
b)
away from the charge
5.
The law of conservation of charge states that...
a)
all atoms have more protons than electrons
b)
only protons can be rubbed off of an atom
c)
charge cannot be created or destroyed
d)
charge cannot be transferred
6.
Which of the following labeled points is in the region with the strongest force of electric charge
a)
A
b)
B
c)
C
d)
D
7.
What is the unit of electric charge?
a)
Volts
b)
Amps
c)
Coulombs
d)
Ohms
8.
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
9.
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
10.
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
11.
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
12.
What variables affect the magnitude of the electric force between two objects with charge?
a)
charge of the first object
b)
charge of the second object
c)
distance between the charges
d)
all of the answers
13.
How is the electric force between two charges affected when both of the charges are doubled?
a)
four times as much
b)
two times as much
c)
half as much
d)
one quarter as much
14.
An electric field has both direction and magnitude
a)
True
b)
False
15.
A 2 C charge experiences a force of 40 N when put at a certain location in space. The electric field at that location is..
a)
2 N/C
b)
20 N/C
c)
80 N/C
d)
42 N/C
16.
The electric field in a certain region of space is 30 N/C. What is the force on a 2 C charge in that space?
a)
32 N
b)
15 N
c)
60 N
d)
45 N
17.
When the distance between two charges is halved, the force between them...
a)
doubles
b)
quadruples
c)
cut into a fourth
d)
cut in half
18.
The distance between two charges doubles at the same time that the charge on each also doubles. What happens to the electric force?
a)
doubles
b)
quadruples
c)
cut in half
d)
no change
19.
Two charges separated by a distance of 1 meter exert a 2-N force on each other. If the magnitude of each charge is doubled , the force on each charge is
a)
4 N
b)
2 N
c)
8 N
d)
.5 N
20.
What is the unit for Electric Force?
a)
Newton
b)
Couloumb
c)
Newtons/Couloumb
d)
Nano
21.
If two identical charges are placed 4 m apart, what would the electric field be at the point directly between them?
a)
8 N/C
b)
2 N/C
c)
0 N/C
d)
16 N/C
22.
When drawing electric field lines more lines indicates a ____________ electric field
a)
weaker
b)
stronger
c)
neutral
23.
How can you increase the electric force between two objects?
a)
more charge
b)
more distance
c)
more mass
d)
more cowbell
24.
The electric force is greater than the gravitational force
a)
True
b)
False
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