Answered: A 25 [Watt] light bulb is connected to…

A 25 [Watt] light bulb is connected to a typical US outlet (120 [V] (rms), 60 [Hz]). By what factor will it dim if connected to a 100 [F] capacitor?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 75PQ

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Problem 3: Capacitor Dimmer
A 25 [Watt] light bulb is connected to a typical US outlet (120 [V] (rms), 60 [Hz]).
By what factor will it dim if connected to a 100 [F] capacitor?
Hint: The impedance of the bulb and the capacitor in series is |Z| = (Z+2
(Z+Z²6) ¹/².
1/2

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