The potential energy of a system of two point charges q1 and q2 separated by a d

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Question: The potential energy of a system of two point charges q1 and q2 separated by a distance r is given by?

Options:

Correct Answer: k * q1 * q2 / r

Solution:

The potential energy U of a system of two point charges is given by U = k * q1 * q2 / r.

The potential energy of a system of two point charges q1 and q2 separated by a distance r is given by?

The potential energy of a system of two point charges q1 and q2 separated by a distance r is given by?

Step 1: Understand that potential energy is the energy stored due to the position of charges.
Step 2: Identify the two point charges in the system, which are q1 and q2.
Step 3: Recognize that the distance between the two charges is represented by r.
Step 4: Learn that k is a constant called Coulomb's constant, which helps in calculating the force between charges.
Step 5: Use the formula for potential energy, which is U = k * q1 * q2 / r.
Step 6: Substitute the values of q1, q2, r, and k into the formula to find the potential energy U.

Coulomb's Law – The potential energy between two point charges is derived from Coulomb's law, which describes the electrostatic force between charged objects.
Potential Energy – Understanding how potential energy is calculated based on the magnitudes of the charges and the distance between them.
Constants in Physics – Recognizing the role of the constant k (Coulomb's constant) in the equation for potential energy.