Problem 6 An automotive starter motor has a resistance of 0.12 Ohm, and is designed to draw a current from a 12-V battery. Two copper cables are used to deliver power from the battery to starter, each 1.0 m long. (a) What is the total resistance of the cables if their diameter is 1.29 mm (American Wire Gauge 16)? (b) What is the current drawn by the starter if we use these cables? (c) What is the electrical power dissipated in the cables when the starter is engaged? (d) How much power is delivered to the starter? (e) What is the minimum diameter of cables required to deliver 1000 Watts to the starter?

Problem 6 An automotive starter motor has a resistance of 0.12 Ohm, and is designed to draw a current from a 12-V battery. Two copper cables are used to deliver power from the battery to starter, each 1.0 m long. (a) What is the total resistance of the cables if their diameter is 1.29 mm (American Wire Gauge 16)? (b) What is the current drawn by the starter if we use these cables? (c) What is the electrical power dissipated in the cables when the starter is engaged? (d) How much power is delivered to the starter? (e) What is the minimum diameter of cables required to deliver 1000 Watts to the starter?

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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