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

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter10: Using Wire Tables And Determining Conductor Sizes

Section: Chapter Questions

Problem 10PP: Determine the ohms-per-mil-foot of an aluminum conductor located in an area with a temperature of...

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