Coulomb's Law and Electric Force Worksheet
Explore Coulomb's Law and calculate electric forces between charged particles with this Grade 12 Physics worksheet.
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Coulomb's Law and Electric Force
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Read each question carefully and provide your answers in the space provided. Show all your work for calculation problems.
1. Which of the following statements correctly describes Coulomb's Law?
The electric force between two charges is directly proportional to the distance between them.
The electric force between two charges is inversely proportional to the product of their magnitudes.
The electric force between two charges is directly proportional to the product of their magnitudes and inversely proportional to the square of the distance between them.
The electric force between two charges is independent of the distance between them.
2. What is the SI unit for electric charge?
Volt
Ampere
Coulomb
Joule
3. The constant 'k' in Coulomb's Law is known as Coulomb's and has a value of approximately Nm²/C².
4. If two charges have the same sign, the electric force between them will be , and if they have opposite signs, the force will be .
5. Calculate the electric force between two point charges, q1 = +3.0 x 10⁻⁶ C and q2 = -2.0 x 10⁻⁶ C, separated by a distance of 0.50 m. (k = 9.0 x 10⁹ Nm²/C²)
6. The electric force is a vector quantity.
True
False
7. Doubling the distance between two charges will halve the electric force between them.
True
False
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