A wire of resistance 12 ohm is bent in the from a circle . the resistance between the ends of any diameter is :
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R ∝ L
So, resistance of upper half = Lower half = 6 Ω
They act as parellel arrangement
R = [1/6 + 1/6]^-1 = 3 Ω
∴ Resistance between the ends of diameter is 3 Ω
So, resistance of upper half = Lower half = 6 Ω
They act as parellel arrangement
R = [1/6 + 1/6]^-1 = 3 Ω
∴ Resistance between the ends of diameter is 3 Ω
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