An electrical cable is made up of 170 tiny wire filaments, each of which has a resistance of 3μΩ. An equal potential difference is applied between the ends of the entire filament, producing a current of 1 A. a. What is the current rating in each filament? b. What is the value of the potential difference? c. What is the resistance value of the cable?
An electrical cable is made up of 170 tiny wire filaments, each of which has a resistance of 3μΩ. An equal potential difference is applied between the ends of the entire filament, producing a current of 1 A. a. What is the current rating in each filament? b. What is the value of the potential difference? c. What is the resistance value of the cable?
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter27: Direct-current Circuits
Section: Chapter Questions
Problem 15P: Four resistors are connected to a battery as shown in Figure P27.15. (a) Determine the potential...
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1. An electrical cable is made up of 170 tiny wire filaments, each of which has a resistance of 3μΩ. An equal potential difference is applied between the ends of the entire filament, producing a current of 1 A.
a. What is the current rating in each filament?
b. What is the value of the potential difference?
c. What is the resistance value of the cable?
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