a copper rod 6mm dia.and 1m long has a resistance of 670 microohms If the rod is drawn out to a wire Having a uniform C. S.Area of 0.08 mm sq.. Calculate its new resistance,assuming the temperature to remain unaltered

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
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Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 14RQ
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a copper rod 6mm dia.and 1m long has a resistance of 670 microohms If the rod is drawn out to a wire

Having a uniform C. S.Area of 0.08 mm sq.. Calculate its new resistance,assuming the temperature to

remain unaltered

 

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