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Resistivity of copper is 1.76 x 10^-6 ohm.cm. Determine the resistance of a copper rod having length 10 cm and crosssectional area 1 cm^2. |
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Answer» The RESISTIVITY of copper is 1.76 x 10-8 ohm metre the RADIUS of the WIRE is 1mm, CALCULATE the lenght of wire needed for having resistance of 10.5 ohm. |
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