A copper wire has resistance of 3 ohm at 0⁰c . What is its resistance at 60⁰c . The temperature coefficient of resistance of copper is 0.0039 ⁰c-1
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Answer:
R' = 3.702 ohm
Explanation:
R' = R ( 1 + a∆T )
= 3 ( 1 + 0.0039 × 60 )
= 3 ( 1.234)
= 3.702 ohm
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