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CE0214 25 Two wires of resistance R and R at 0 C have temperature coefficients...

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CE0214 25 Two wires of resistance R and R at 0 C have temperature coefficients of resistance a and a respectively These are joined in series The effective temperature coefficient of resistance is 1 30 E 0 5 100 3 4 2 a 2 R R R R R R R R

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