A wire of 10ohm is bend in the form of a circle.What is the effective resistance across two diametrically opposite points?
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The resistance of both semi circles will be 10/2 = 5 ohm
Across diameter, they will be in parallel combination.
1/R = 1/5 + 1/5 = 2/5
⇒Effective Resistance , R = 5/2 = 2.5 ohm.
Across diameter, they will be in parallel combination.
1/R = 1/5 + 1/5 = 2/5
⇒Effective Resistance , R = 5/2 = 2.5 ohm.
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