Physics, 06.04.2021 23:00 copperrock15
At 20°C, a length of copper wire' has a resistance of 5.0 22 What is its resistance when the
wire is heated to 80°C? Let a = 0.004 at 20°C.
Ο Α. 1.2Ω
Ο Β. 7.5 Ω
Ο C. 6.2 Ω
O
D. 10 Ω
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Answers: 1
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At 20°C, a length of copper wire' has a resistance of 5.0 22 What is its resistance when the
wire i...
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