A metal wire of resistance 3 Ω is elongated to make a uniform wire of double its previous length. This new wire is now bent and the ends joined to make a circle. If two points on this circle make an angle 60° at the centre, the equivalent resistance between these two points will be:

\(\frac{{7}}{2}{\rm{\Omega }}\)

\(\frac{{12}}{5}{\rm{\Omega }}\)

\(\frac{{5}}{2}{\rm{\Omega }}\)

\(\frac{{5}}{3}{\rm{\Omega }}\)

A metal wire of resistance 3 Ω is elongated to make a uniform wire of

1.	A metal wire of resistance 3 Ω is elongated to make a uniform wire of double its previous length. This new wire is now bent and the ends joined to make a circle. If two points on this circle make an angle 60° at the centre, the equivalent resistance between these two points will be:
A.	\(\frac{{12}}{5}{\rm{\Omega }}\)
B.	\(\frac{{5}}{2}{\rm{\Omega }}\)
C.	\(\frac{{5}}{3}{\rm{\Omega }}\)
D.	\(\frac{{7}}{2}{\rm{\Omega }}\)
Answer» D. \(\frac{{7}}{2}{\rm{\Omega }}\)

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A metal wire of resistance 3 Ω is elongated to make a uniform wire of double its previous length. This new wire is now bent and the ends joined to make a circle. If two points on this circle make an angle 60° at the centre, the equivalent resistance between these two points will be:

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