The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into

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The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 120-V outlet and draws a current of 1.24 A. If the radius of the tungsten wire is 0.0030 mm, how long must the wire be?

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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Question Posted: Feb 14, 2017 02:37 AM

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The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into

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The length L of the wire is related to its resistance R and crosssectional area A by L AR see Equati...View the full answer

Physics

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