A 100-watt incandescent lamp, when hot, has a resistance of 42 Ω, while a 60-watt lamp has a resistance of 823 Ω. Compute the current through each lamp when they are connected in parallel and operated from a 220-volt line.
A 100-watt incandescent lamp, when hot, has a resistance of 42 Ω, while a 60-watt lamp has a resistance of 823 Ω. Compute the current through each lamp when they are connected in parallel and operated from a 220-volt line.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 14P
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A 100-watt incandescent lamp, when hot, has a resistance of 42 Ω, while a 60-watt lamp has a resistance of 823 Ω. Compute the current through each lamp when they are connected in parallel and operated from a 220-volt line.
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