a wire of resistance 50 ohm is bent in the form of circular ring. the effective resistance between the two points of any diameter of a circle is what option A Hundred of PNB 50 option C 25 option d 12.5
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dekho jab use bend karogi to uska resistance 25 -25 me bat jayegi aur parallel me ho jayegi
ab effective 1/R=1/r1+1/r2
1/R=1/25+1/25
1/R=2/25
so R=25/2
R 12.5
ok if u satisfy than mark as brainlist please
ab effective 1/R=1/r1+1/r2
1/R=1/25+1/25
1/R=2/25
so R=25/2
R 12.5
ok if u satisfy than mark as brainlist please
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