Questions
In the given potentiometer circuit, length of the wire AB is 3 m and resistance is . The length AC for no deflection in galvanometer is
a
2 m
b
1. 8 m
c
dependent on r1
d
none of these
detailed solution
Correct option is A
Potential gradient,x=50.5+4.5 4.53 = 1.5 V m−1Here x AC = 3 ⇒ AC=31.5 = 2mTalk to our academic expert!
Similar Questions
A cell of resistance and emf 10 volt is connected to a uniform wire of length 500 cm and resistance 3 ohm. The potential gradient in the wire is
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