Target Exam

CUET

Subject

Physics

Chapter

Electrostatic Potential and Capacitance

Question:

Three charges Q, $+2q$ and $+2q$ are placed at the vertices of an equilateral triangle. If the net electrostatic potential energy of the system is zero, then Q is equal to

Options:

$-q$

$+q$

$-2q$

$-q/2$

Correct Answer:

$-q$

Explanation:

The correct answer is Option (1) → $-q$