The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 Q2-m). The light bulb is plugged into a 120-V outlet and draws a current of 2.89 A. If the radius of the tungsten wire is 0.00145 mm, how long must the wire be? Number i Units

The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 Q2-m). The light bulb is plugged into a 120-V outlet and draws a current of 2.89 A. If the radius of the tungsten wire is 0.00145 mm, how long must the wire be? Number i Units

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 3P: The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies...

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