A coil has a resistance of 18 when its mean temperature is 20C and of 20...
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A coil has a resistance of 18 when its mean temperature is 20C and of 20 when its mean temperature is 50C. Find its mean temperature rise when its resistance is 21 and the surrounding temperature is 15 C. A coil has a resistance of 18 when its mean temperature is 20C and of 20 when its mean temperature is 50C. Find its mean temperature rise when its resistance is 21 and the surrounding temperature is 15 C.
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