Coulombic Force -Multiple Choice Questions Quiz

Interactive MCQs on โ€œCoulombic Forceโ€:

Solve the following 10 questions. Only one option is correct. Click on the โ€œSubmitโ€ button when done. Click on the โ€œembedโ€ button to use this quiz on your website. Click on โ€œWhatsAppโ€ 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 (ฮฉ)

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