a wire of resistance 5 ohm is bent in the form of a closed circle what is the effective resistance between the two points at the end of any diameter of the circle ??
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Answer:
2.5 ohm
Explanation:
the wire will form a parallel connection at its ends.
Hence, 1/R = 1/5 + 1/5 =2/5
R = 2.5 ohm
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