A uniform wire of resistance 9 Ω is cut into 3 equal parts. They are connected in the form of equilateral triangle ABC. A cell of e.m.f. 2 V and negligible internal resistance is connected across B and C. Potential difference across AB is
Text Solution
Verified by ExpertsThe correct answer is:
A
The circuit can be drawn as follows
Equivalent resistance 
Current 
So, 
.
Potential difference between A and B = 
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