|
Title: Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the ... Post by: Chery on Dec 4, 2016 Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistances of these two wires compare?
A) Both wires have the same resistance. B) The longer wire has 1/3 the resistance of the shorter wire. C) The longer wire has 3 times the resistance of the shorter wire. D) The longer wire has 9 times times the resistance of the shorter wire. E) The longer wire has 27 times times the resistance of the shorter wire. Title: Re: Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the ... Post by: lyall on Dec 4, 2016 Content hidden
Title: Re: Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the ... Post by: Chery on Jan 13, 2017 I needed this so much, thanks
|