A speaker is fed by an amplifier as shown in the schematic and circuit model below. The sourcevoltage (v3) is given as 50 cos(2000nt) V. A coupling capacitor (with capacitance C) is used toblock the de current from the amplifier to the speaker. The current in the circuit (i,) is measuredas 1.7 cos(2000nt – 9.6°) A. Determine:(a) the power consumed by the speaker.(b) the capacitance C.(c) the power factor seen by the source.AmplifierSpeakerCouplingcapacitorC20 28 mH

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Answered: ) the power consumed by the speaker. -)…

Engineering

Electrical Engineering

) the power consumed by the speaker. -) the capacitance C. ) the power factor seen by the source.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

A speaker is fed by an amplifier as shown in the schematic and circuit model below. The source
voltage (v3) is given as 50 cos(2000nt) V. A coupling capacitor (with capacitance C) is used to
block the de current from the amplifier to the speaker. The current in the circuit (i,) is measured
as 1.7 cos(2000nt – 9.6°) A. Determine:
(a) the power consumed by the speaker.
(b) the capacitance C.
(c) the power factor seen by the source.
Amplifier
Speaker
Coupling
capacitor
C
20 2
8 mH

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