Calculate the resistance of a metal conductor 20 m length of a wire having a uniform cross-sectional area of 0.1 mm2 if the wire is made of manganin having a resistivity of 50 x 10-8 Q-m. If the wire is drawn out to three times its original length, by how many times would you expect its resistance to be increased ? OHMS TIMES

Calculate the resistance of a metal conductor 20 m length of a wire having a uniform cross-sectional area of 0.1 mm2 if the wire is made of manganin having a resistivity of 50 x 10-8 Q-m. If the wire is drawn out to three times its original length, by how many times would you expect its resistance to be increased ? OHMS TIMES

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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