A) R>r/2
B) R<r/2
C) R>r/3
D) R<r/3
Correct Answer: A
Solution :
[a] Current in \[AB=I=\frac{e}{R+r}\] potential difference across \[\] To obtain balanced point, \[\frac{eR}{R+r}>\frac{e}{3}\text{ or }R>r/2\]You need to login to perform this action.
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