Q.
Positive and negative point charges of equal magnitude are kept at $\left( 0,0,\frac{a}{2} \right)\ and\ \left( 0,0,\frac{- a}{2} \right),$ respectively. The work done by the electric field when another positive point charge is moved from $( - a,0,\ 0)\ to\ (0,a,0)$ is
A) Positive
B) Negative
C) Zero
D) Depends on the path connecting the initial and final positions
Explanation
The correct answer is Option C: Zero.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.