Relation between temperature and resistance of a conductor is – McqOptions

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1.	Relation between temperature and resistance of a conductor is
A.	rt = rref [1+t]
B.	rt = rref [1+Î±âˆ†t]
C.	rt = rref [1-Î±t]
D.	rt = rref [1-t]
Answer» C. rt = rref [1-Î±t]

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