Calculate the efficiency of a class B amplifierfor a supply of 15 V and an output ofVm(peak)=10 V.Select one:a. 78.5%b. 65.666%c. 72.3666%d. 52.37% You have an oscilloscope across R, and itshows a sine signal voltage. WHAT type ofClass amplifier it is?Vc+20 VR1.2 knR50 nC2R21.2 knSelect one:Class BClass CClass ABClass A

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Calculate the efficiency of a class B amplifier for a supply of 15 V and an output of Vm(peak)=10 V. Select one: a. 78.5% b. 65.666% c. 72.3666% d. 52.37%

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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Concept explainers

Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.

Question

100%

Calculate the efficiency of a class B amplifier
for a supply of 15 V and an output of
Vm(peak)=10 V.
Select one:
a. 78.5%
b. 65.666%
c. 72.3666%
d. 52.37%

You have an oscilloscope across R, and it
shows a sine signal voltage. WHAT type of
Class amplifier it is?
Vc
+20 V
R
1.2 kn
R
50 n
C2
R2
1.2 kn
Select one:
Class B
Class C
Class AB
Class A

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