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2 A wire has resistance of 3 1 2 at 30 C and 4 5...

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2 A wire has resistance of 3 1 2 at 30 C and 4 5 Q at 100 C The temperature coefficient of resistance to the wire is approximately 1 12 x 10 4 C 1 2 24 x 10 4 C 1 3 32 x 10 C 1 4 7 x 10 3 C 1 Hint Use R R 1 R 1 a AT

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