find resistance

Asked by Rochika | 27th Mar, 2009, 06:45: AM

Expert Answer:

When a wire is bent in the form of circle, the two diametrically opposite ends would divide the circle into two halves,each having the resistance = 4/2 = 2ohms

The net resistance of the two halves (which are now connected parallel to each other) = 1/R' = 1/2 + 1/2

R' = 1ohm

Answered by  | 27th Mar, 2009, 11:29: AM

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