Physics, asked by kvaishnavkvaishnav46, 1 day ago

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Resistance of a material at 20°C and 40°C are 45 Ω and 85 Ω respectively. Find its temperature coefficient of resistivity. (a) 0.4 per°C (b) 0.0044 per°C (c) 0.044 per°C (d) 60.0044 per°C

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Answered by manjeetkourkhanna26

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Answer:

ans.c resistence of a material at 20c and 40c

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