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Two identical circular rings are placed in a plane such a way that they pass through each other's centres C1 and C2 as shown in figure. Resistance of the wire forming each ring is 36Ω. Conducting joints are made at interaction points A and B of the rings. An ideal cell of e.m.f 2 volt is connected across A and B. The power delivered by the cell will be ________ .

(a) 1/18 W 

(b) 2/9 W 

(c) 1 W 

(d) 8/9 W

1 Answer

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Best answer

Correct option: (c) 1W


∴ Length of AC, B is 1/3 of total circumference or its resistance is

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