Q. In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is $x$, what would be its value if the radius of the wire AB is doubled?
A) $x$
B) $x/4$
C) $4x$
D) $2x$
Explanation
(a) The ratio $\frac{AC}{CB}$ will remain unchanged.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.