Worksheetscoulombs law
Total questions: 13
Worksheet time: 16mins
As two oppositely charged particles approach each other, what happens to the electrical force between them?
The attractive force increases
The magnitude of the electric force decreases
The repulsive force increases
The magnitude of their charges increases
Which is the value of the constant in Coulomb's equation?
k = 9·10-9
k = 9.8
k = 6.67·10-11
k = 9 ·109
What happens to the force between two charged objects when you halve the distance between them?
2X
1/2X
4X
1/4X
If one of the charges doubles, what happens to the force?
it doubles
it gets cut in half
it quadruples
it is cut by 1/4
A point charge (q1) has a magnitude of 3x10-6 C. A second charge (q2) has a magnitude of -1.5x10-6 C and is located 0.12 m from the first charge. Determine the electrostatic force each charge exerts on the other.
-4.52 x 10-3 N
-83 N
-2.81 N
-9 x 103 N
A 5 C and 8 C charge give off a force of 2.5 x 109 N. What is the distance between them?
11 m
12 m
121 m
144 m
Two charges of equal magnitude give off a force of -441000 N when they are 1000 m away from each other. What are the charges magnitude?
5
7
9
11
If the electroscope was charged negatively, how does this remove the charge from the electroscope?
Electrons move from the hand to the electroscope
Protons move from the hand to the electroscope
Electrons move from the electroscope to the hand
Protons move from the electroscope to the hand
Insulators are different than conductors in that insulators ____.
do not contain electrons or protons
do not contain any charge
have a weaker affinity for electrons
do not allow charge to freely move
A typical lightning bolt has about 10.0 C of charge. How many excess electrons are in a typical lightning bolt?
6 x 1019
6 x 10-19
6 x 1031
6 x 10-31
In which direction will the electric force from the two equal positive charges move the negative charge shown below?
To the North
To the South
To the South-West
To the West
To the North-West
