Q. The potential difference between point $A\ \&\ B$ is
A) $\frac{20}{7}V$
B) $\frac{40}{7}\ V$
C) $\frac{10}{7}\ V$
D) $0$
Explanation
(d) The given circuit is a balanced wheatstone bridge circuit. Hence potential difference between $A$ and $B$ is zero
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.