Help me with the following multiple choices questions :1.Current cannot flow to ground through ______A.an ordinary groundB.a virtual groundC.a mechanical groundD.an a.c ground 2.For an OP-amp with negative feedback, the output is ....A. fed back to the noninverting inputB. fed back to the inverting inputC.equal to the inputD.increased 3.A certain inverting amplifier has a closed loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain________A. remains at 25 B. doublesC. increases slightlyD. drops to 12.5

Two terminals of the opamp are said to be virtual short if two terminals of opamp is at same…

Answered: 1.Current cannot flow to ground through…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Help me with the following multiple choices questions :

1.Current cannot flow to ground through ______

A.an ordinary ground

B.a virtual ground

C.a mechanical ground

D.an a.c ground

2.For an OP-amp with negative feedback, the output is ....

A. fed back to the noninverting input

B. fed back to the inverting input

C.equal to the input

D.increased

A certain inverting amplifier has a closed loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain________

A. remains at 25

B. doubles

C. increases slightly

D. drops to 12.5

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