Two wires, A and B, are made of the same metal and have equal length, but the resistance of wire B is four times the resistance of Wire A. How do their diameters compare?
Two wires, A and B, are made of the same metal and have equal length, but the resistance of wire B is four times the resistance of Wire A. How do their diameters compare?
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
Section: Chapter Questions
Problem 2OQ: Wire B has twice the length and twice the radius of wire A. Both wires are made from the same...
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Two wires, A and B, are made of the same metal and have equal length, but the resistance of wire B is four times the resistance of Wire A. How do their diameters compare?
A) dA=4dB
B) dA=2dB
C) dA=0.5dB
D) dA=0.5dB
E) dA= 0.25dB
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