Coulombic Force -Multiple Choice Questions Quiz

Interactive MCQs on “Coulombic Force”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Question: Coulombic force is also known as:

(a) Magnetic force
(b) Gravitational force
(c) Electric force
(d) Nuclear force

Question 2: Question: The Coulombic force between two point charges is directly proportional to:

(a) The product of the charges
(b) The distance between the charges
(c) The square of the charges
(d) The square root of the charges

Question 3: Question: The mathematical expression for Coulomb's law is:

(a) F = G * (m1 * m2) / r^2
(b) F = G * m1 * m2
(c) F = k * (q1 * q2) / r^2
(d) F = k * q1 * q2

Question 4: Question: The SI unit of charge is:

(a) Coulomb (C)
(b) Ampere (A)
(c) Volt (V)
(d) Ohm (Ω)

Question 5: Question: If the distance between two point charges is doubled, the Coulombic force between them:

(a) Doubles
(b) Halves
(c) Becomes four times
(d) Becomes one-fourth

Question 6: Question: Two point charges, +Q and -2Q, are separated by a distance 'd'. What is the direction of the Coulombic force between them?

(a) Attraction, from -Q to +Q
(b) Attraction, from +Q to -2Q
(c) Repulsion, from -Q to -2Q
(d) Repulsion, from +Q to +2Q

Question 7: Question: If two point charges have the same sign (both positive or both negative), the Coulombic force between them is:

(a) Attraction
(b) Repulsion
(c) Zero
(d) Indeterminate

Question 8: Question: Coulomb's constant, k, has a value of approximately:

(a) 8.99 x 10^9 N m^2/C^2
(b) 6.67 x 10^-11 N m^2/kg^2
(c) 9.81 m/s^2
(d) 3.00 x 10^8 m/s

Question 9: Question: Two point charges, +2Q and -Q, are located at a distance 'd' from each other. If the Coulombic force between them is F, what would be the force if the distance is reduced to 'd/2'?

(a) 2F
(b) F
(c) 4F
(d) 8F

Question 10: Question: If the distance between two point charges is increased by a factor of 3, how would the Coulombic force between them change?

(a) It would be 1/9 times the original force
(b) It would be 1/3 times the original force
(c) It would be 3 times the original force
(d) It would be 9 times the original force