NEET 2019 PatternMedium
Q.In potentiometer experiment for internal resistance, a known resistance R is used. The formula for r is
a
r = R (l1 - l2)/l2
b
r = R (l2 - l1)/l1
c
r = R l2/l1
d
r = R l1/l2
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...