Current Electricity Charging Discharging Of Capacitors Question 229
Question: The circuit shown here is used to compare the e.m.f. of two cells $ E _{1} $ and $ E _{2}(E _{1}>E _{2}) $ . The null point is at C when the galvanometer is connected to $ E _{1} $ . When the galvanometer is connected to $ E _{2} $ , the null point will be
[MP PMT 1995]
Options:
A) To the left of C
B) To the right of C
C) At C itself
D) Nowhere on AB
Show Answer
Answer:
Correct Answer: A
Solution:
$ E\propto l $ (balancing length)