A thin long wire A has twice the diameter and half the length of wire B. Both wires are made of the same material. (a)
A thin long wire A has twice the diameter and half the length of wire B. Both wires are made of the same material.
(a) If the resistance of wire A equals R, find the resistance of Wire B;
(b) compare the powers Pa/Pb if the two wires are connected to a battery in parallel;
(c) find Pa/Pb if the two resistors (wires) are connected in series.
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1 R LA where R resistance L length A cross section area resistivity of the material in ...
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Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
7th Edition
9780534997236, 495113697, 534997236, 978-0495113690
