A wire 300 m long and 0450 mm2 in cross-sectional area has
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41 at 20°C. If its resistance increases to 41.5 at 25.0°C, what is the temperature coefficient of resistivity?
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a wire 300 m long and 0450 mm2 in cross-sectional area has a resistance of 41 at 20degc if its resistance increases to
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