1. Calculate the resistance of 100 m length of a wire having a uniform cross-sectional area of 0.1 mm if the wire is made of manganin having a resistivity of 50 × 10* 2m. If the wire is drawn out to three times its original length, by how many times would you expect its resistance to be increased ? [500 2 9 times]
1. Calculate the resistance of 100 m length of a wire having a uniform cross-sectional area of 0.1 mm if the wire is made of manganin having a resistivity of 50 × 10* 2m. If the wire is drawn out to three times its original length, by how many times would you expect its resistance to be increased ? [500 2 9 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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