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 / = (0.718 A) sin [(396 rad/s)t]. (a) What is the frequency of the alternating current? (b) Determine the resistance of the bulb's filament. (c) What is the average power delivered to the light bulb?

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 / = (0.718 A) sin [(396 rad/s)t]. (a) What is the frequency of the alternating current? (b) Determine the resistance of the bulb's filament. (c) What is the average power delivered to the light bulb?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 19P

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