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Q The resistance of a platinum wire at 0^oC is 4 Ω. What will be the resistance at 100^oC, if the temperature coefficient of resistance is 0.0038/^oC.

Resistance at 100^oC R_t = R_o (1+ αt)

= 4 (1 + (0.0038 × 100))

R_t = 5.52 Ω

Result: The resistance increases with the temperature.

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Category:- Physics
Reference No.:- M9571122

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