What is Coulomb's Law?

Electric Force - Coulomb's Law

Quiz
•
Others
•
11th Grade
•
Hard
JEMERA DEBELA
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coulomb's Law is related to gravitational forces.
Coulomb's Law only applies to magnetic fields.
Coulomb's Law states that opposite charges repel each other.
Coulomb's Law describes the electrostatic force between charged objects.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the mathematical expression for Coulomb's Law.
F = k * q1 * q2 / r^2
F = k * q1 / r^2
F = k * q2 / r^2
F = k * |q1 * q2| / r^2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the SI units of charge and distance in Coulomb's Law?
Ohm (Ω) and inch (in)
Coulomb (C) and meter (m)
Volt (V) and centimeter (cm)
Ampere (A) and kilometer (km)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of electric force according to Coulomb's Law.
The electric force is directly proportional to the distance between charged objects.
Coulomb's Law only applies to neutral objects.
The electric force is inversely proportional to the charges of the objects.
The concept of electric force according to Coulomb's Law states that the force between two charged objects is proportional to the product of their charges and inversely proportional to the square of the distance between them.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the magnitude of the electric force between two charges change with an increase in distance?
Reverses direction
Increases
Remains constant
Decreases
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two charges are brought closer together, what happens to the electric force between them?
Reverses direction
Remains constant
Decreases
Increases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the proportionality constant in Coulomb's Law?
9.80665 N m/kg
6.6743 x 10^-11 N m^2/kg^2
3.1416 x 10^7 N m^2/C^2
8.9875 x 10^9 N m^2/C^2
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