Solved: A light bulb is connected to a 120.0-V wall
Chapter 20, Problem 20.102(choose chapter or problem)
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 bulbs filament. (c) What is the average power delivered to the light bulb?
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