A wire of length L and of circular cross section of radius r has a resistance of R ohms. Another wire of same material and of cross-sectional radius 2r will have the same resistance R if the * length is

A wire of length L and of circular cross section of radius r has a resistance of R ohms. Another wire of same material and of cross-sectional radius 2r will have the same resistance R if the * length is

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 1RQ: 1. What is the relationship of voltage and current (concerning phase angle) in a pure resistive...

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Question

A wire of length L and of circular
نق
cross section of radius r has a
resistance of R ohms. Another
wire of same material and of
cross-sectional radius 2r will have
the same resistance R if the
length is

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