Physics
Electricity and Magnetism
A lightbulb filament has a resistance of 110 2. The

A lightbulb filament has a resistance of 110 2. The bulb is plugged into a standard 120-V

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A lightbulb filament has a resistance of 110 2. The bulb is plugged into a standard 120-V (rms) outlet, and emits 1.00% of the electric power delivered to it by electromagnetic radiation of frequency f. Assuming that the bulb is covered with a filter that absorbs all other frequencies, find the amplitude of the magnetic field 1.00 m from the bulb.

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We call the current Ims and the intensity I The powe...View the full answer

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 25, 2010 04:24 AM

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