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Find out the resistivity for a wire having length 2m and radius 2mm and resistance 1 ohm |
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Answer» Resistivity=RA/L where R=1ohm,A=πr²=3.14×0.2×0.2=0.1256cm²,L=200cmResistivity=1×1256/1000×200=0.00628Resistivity (rho)=0.00628 (1×2)÷2 |
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