A 60-W light bulb typically has a current of 0.50-A flowing through it. Calculate (a) the number of electrons passing a cross section of the bulb’s filament each second, (b) the number that pass the cross section in 1 h.
A 60-W light bulb typically has a current of 0.50-A flowing through it. Calculate (a) the number of electrons passing a cross section of the bulb’s filament each second, (b) the number that pass the cross section in 1 h.
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 7P
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A 60-W light bulb typically has a current of 0.50-A flowing through it. Calculate (a) the number of electrons passing a cross section of the bulb’s filament each second, (b) the number that pass the cross section in 1 h.
(a) Calculate the current through a 2.5 flashlight filament when connected across two 1.5-V batteries (potential difference of 3.0 V). (b) Calculate the resistance of the heating elements in a toaster if 10-A current flows when connected across a 120-V potential difference.
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