Q1/ Choose the correct answer2- The output of the non-inverting amplifiera. Is in phase with the input.b. Increases with the inputc. Cannot be greater than the supplied voltage. d. All of the above.3- The purpose of negative feedback is toa. Reduce the number of components in an amplifierb. Increase the transistor lifec. Improve the gain and bandwidth of an amplifierd. Limit the amplifier output.4- When a feedback voltage produces an increase in impedance, it is an exampleof.........a. Impedance compensation.c. Gain suppression.b. Shunt negative feedback.d. Series negative feedback5- If a loud speaker with a resistance of 2 Ohms and a 10Vrms voltage drop is theoutput of a single-ended power amplifier, what is the output power of the amplifier?b. 25mWa. 50 Wc. 2Wd. 20W

“Since you posted multiple questions, we will provide the solution only to the first question per…

Answered: 2- The output of the non-inverting a.…

2- The output of the non-inverting a. Is in phase with the input. amplifier b. Increases with the input c. Cannot be greater than the supplied voltage. d. All of the above.

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Concept explainers

Power Amplifier

The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.

Maximum Efficiency Criterion

In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.

Question

Q1/ Choose the correct answer
2- The output of the non-inverting amplifier
a. Is in phase with the input.
b. Increases with the input
c. Cannot be greater than the supplied voltage. d. All of the above.
3- The purpose of negative feedback is to
a. Reduce the number of components in an amplifier
b. Increase the transistor life
c. Improve the gain and bandwidth of an amplifier
d. Limit the amplifier output.
4- When a feedback voltage produces an increase in impedance, it is an example
of.........
a. Impedance compensation.
c. Gain suppression.
b. Shunt negative feedback.
d. Series negative feedback
5- If a loud speaker with a resistance of 2 Ohms and a 10Vrms voltage drop is the
output of a single-ended power amplifier, what is the output power of the amplifier?
b. 25mW
a. 50 W
c. 2W
d. 20W

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