A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on

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A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.707 A) sin [(314 Hz)t].

(a) What is the frequency f of the alternating current?

(b) Determine the resistance of the bulb’s filament.

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Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

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Question Posted: Feb 06, 2013 04:32 AM

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A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on

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a By comparing I 0707 A sin 314 Hz t with the general expressi...View the full answer

Physics

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