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.
(c) What is the average power delivered to the light bulb?
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a By comparing I 0707 A sin 314 Hz t with the general expressi...View the full answer
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