A speaker is simplified by a series connection of a resistor R and an inductor. The inductance L of the inductor is 0.5 mH. At a frequency of 1 kHz, the magnitude of the total impedance Z is measured as 10 Q. e) When the speaker is driven by a sinusoidal voltage with an rms-value of 10 V and a frequency of 4 kHz, calculate the apparent, real, and reactive power. f) Now, a capacitor is connected in parallel to the speaker (resistor and inductor). Please calculate the capacity of the capacitor that the total electrical circuit is pure real at a frequency of 2 kHz.

A speaker is simplified by a series connection of a resistor R and an inductor. The inductance L of the inductor is 0.5 mH. At a frequency of 1 kHz, the magnitude of the total impedance Z is measured as 10 Q. e) When the speaker is driven by a sinusoidal voltage with an rms-value of 10 V and a frequency of 4 kHz, calculate the apparent, real, and reactive power. f) Now, a capacitor is connected in parallel to the speaker (resistor and inductor). Please calculate the capacity of the capacitor that the total electrical circuit is pure real at a frequency of 2 kHz.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...

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