Once you double the length of a conductor and choose a wider one (conducting cable) with double cross section, resistance should be the same as before be half as before be doubled be √2 times as before

Once you double the length of a conductor and choose a wider one (conducting cable) with double cross section, resistance should be the same as before be half as before be doubled be √2 times as before

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section21.2: Resistance And Ohm’s Law

Problem 21.3QQ: When does an incandescent lightbulb carry more current? (a) immediately after it is turned on and...

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Once you double the length of a conductor and choose a wider one (conducting cable) with double cross section, resistance should

be the same as before

be half as before

be doubled

be √2 times as before

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