MCA Second Engineer Marine Electro-Technology Practice Questions - MCA Second Engineer - Marine Electro-Technology (SQA Written Examination) Exam

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A copper conductor has resistance 0.40 Ω at 0 °C. Taking α0 for copper as 0.0043 /°C, what is its approximate resistance at 50 °C?

0.486 Ω 0.400 Ω 0.215 Ω 0.860 Ω

Correct Answer:

0.486 Ω

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