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The resistivity of a material is 10 ohm meter if temperature drops by 2degrees then resistivity drops by 2 ohm m the temperature coefficient of resistivity of material is?

The resistivity of a material is 10 ohm meter if temperature drops by 2degrees then resistivity drops by 2 ohm m the temperature coefficient of resistivity of material is?

Grade:12th pass

1 Answers

Om
12 Points
3 years ago
R = r[1+a(T-t)]T=18t=20R=8r=10a is resitivity cofficient8=10[1+a(18-20)]a=0.1The calculations are to be done by you.The formula is very correct.provide the answer.

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