A bird stands on a dc electric transmission line carrying 2800 AA. The line has 2.7×105 resistance per meter, and the bi

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A Bird Stands On A Dc Electric Transmission Line Carrying 2800 Aa The Line Has 2 7 105 Resistance Per Meter And The Bi 1 (127.5 KiB) Viewed 43 times

A bird stands on a dc electric transmission line carrying 2800 AA. The line has 2.7×105 resistance per meter, and the bird's feet are 3.6 cmcm apart. What is the potential difference between the bird's feet? Express your answer to two significant figures and include the appropriate units Calculate the ratio of the resistance of 14.0 mm of aluminum wire 2.2 mmmm in diameter, to 25.0 mm of copper wire 1.6 mmmm in diameter. The resistivity of copper is 1.68×10-822.m1.68×10-852-m and the resistivity of aluminum is 2.65×10-802 m2.65×10-8.m. I Express your answer using two significant figures. A certain copper wire has a resistance of 18.0 20. At some point along its length the wire was cut so that the resistance of one piece is 3.0 times the resistance of the other. Determine the length of the short piece. Express your answer using two significant figures. Determine the resistance of the short piece. Express your answer to two significant figures and include the appropriate units.