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Calculate the resistance of a copper wire of length 1m and area of cross section 2 m m². Resistivity of copper wire is 1.7 × 10‐⁸ ohm m
More electric current (lower resistance) means more heat is generated. Why doesn't a low resistance conductor like a copper wire generate more heat than a nichrome wire? If a copper wire generates
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![The resistivity of copper is 1.7times 10^{-8} Omega-m and the diameter and the resistance of copper wire are 0.1 mm and 34 Omega respectively. Find the length of the wire. The resistivity of copper is 1.7times 10^{-8} Omega-m and the diameter and the resistance of copper wire are 0.1 mm and 34 Omega respectively. Find the length of the wire.](https://haygot.s3.amazonaws.com/questions/1974213_1774038_ans_d76282d537c344d6ae32c346f9040e94.jpg)
The resistivity of copper is 1.7times 10^{-8} Omega-m and the diameter and the resistance of copper wire are 0.1 mm and 34 Omega respectively. Find the length of the wire.
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