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A uniform wire of resistance  is cut into 3 equal parts. They are connected in the form of equilateral triangle  A cell of  and negligible internal resistance is connected across  and  Potential difference across  is

a)

b)

c)

d)



Question ID - 151397 | SaraNextGen Top Answer

A uniform wire of resistance  is cut into 3 equal parts. They are connected in the form of equilateral triangle  A cell of  and negligible internal resistance is connected across  and  Potential difference across  is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The circuit can be drawn as follows

Equivalent resistance

Current . So,

Potential difference between  and

127 votes


127