ms on resistance and resistivity 1. The resistance of a 2m length of cable is 2.5Q. Determine (a) the resistance of a 7m length of the same cable and (b) the length of the same wire when the resistance is 6.25 Q. [(a) 8.75 Q (b) 5 m] 2. Some wire of cross-sectional area 1mm2 has a resistance of 202. Determine wire of the same length and material if the cross- sectional area is 4mm2, and (b) the cross-sectional area of a wire of the (a) the resistance of length and material if the resistance is 320. same [(a) 5 Q (b) 0.625m m2] 13

ms on resistance and resistivity 1. The resistance of a 2m length of cable is 2.5Q. Determine (a) the resistance of a 7m length of the same cable and (b) the length of the same wire when the resistance is 6.25 Q. [(a) 8.75 Q (b) 5 m] 2. Some wire of cross-sectional area 1mm2 has a resistance of 202. Determine wire of the same length and material if the cross- sectional area is 4mm2, and (b) the cross-sectional area of a wire of the (a) the resistance of length and material if the resistance is 320. same [(a) 5 Q (b) 0.625m m2] 13

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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