A light bulb is connected to a 1200-v wall socket the, Ask an Expert

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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 = (0.839 A) sin [(204 Hz)t].

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

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

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