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ELE211 Analog Circuits & Applications B.Sc Question Bank : nmu.ac.in

Name of the University : North Maharashtra University
Degree : B.Sc
Department : Electronics
Year : II
Name Of The Subject : ELE211 Analog Circuits & Applications
Document type : Question Bank
Website : nmu.ac.in

Download Model/Sample Question Papers :https://www.pdfquestion.in/uploads/nmu.ac.in/5293-S.Y.B.Sc.%20Electronics%20(%20Ele%20-%20211%20)%20Question%20Bank.pdf

Analog Circuits & Applications Model Paper :

NORTH MAHARASHTRA UNIVERSITY, JALGAON
QUESTION BANK FOR S. Y. B. Sc. Electronics
ELE – 211 : ANALOG CIRCUITS AND APPLICATIONS.

Related : North Maharashtra University Mathematical Methods For Physics B.Sc Question Bank : www.pdfquestion.in/5292.html

Questions for 2 marks.
1. The absolute gain of an amplifier is 30; find its decibel in gain.
2. The absolute gain of an amplifier is 40; find its decibel in gain.
3. The input power to an amplifier is 10 mw while output power is 1.5 W. Find the gain of the amplifier.

4. The input power to an amplifier is 20 mw while output power is 2.5 W. Find the gain of the amplifier.
5. A multistage amplifier employs 4 stages each of which has a power gain of 20. What is the total gain of the amplifier in db?

6. A multistage amplifier employs 3 stages each of which has a power gain of 30. What is the total gain of the amplifier in db?
7. The gain of the second amplifier in case of two-stage amplifier is low. Comment.
8. What do you understand by multistage transistor amplifier?

9. What is need to of multistage transistor amplifier?
10. Explain the term frequency response with respect to two-stage transformer-coupled amplifier.
11. What are the advantages of frequency with respect to two-stage amplifier?
12. What are the disadvantages of frequency with respect to two-stage transformer-coupled amplifier?

13. Explain the term gain.
14. What is the application of two stage RC coupled amplifier?
15. Draw the block diagram of multistage amplifier.
16. Why do we prefer to express the gain in db?

Questions for 3 marks :
1. We are to match a 16 O speaker load to an amplifier so that the effective load resistance is 10 KO. What should be the transformer turn ratio?
2. We are to match a 24 O speaker load to an amplifier so that the effective load resistance is 12 KO. What should be the transformer turn ratio?

3. A single stage amplifier has collector load Rc=10KO, input resistance Rin=1KO and ß=100.If RL=100O find the voltage gain.
4. A single stage amplifier has collector load Rc=20KO, input resistance Rin=2KO and ß=100. If RL=75O find the voltage gain.

5. A multistage amplifier consists of three stages; the voltage gain of the stages are 60,100 and 160 calculate the overall gain.
6. With the neat diagram explain the application of two-stage transformer-coupled amplifier
7. Explain the term frequency response.

8. Explain the term decibel gain.
9. Explain the term bandwidth.
10. Why does transformer coupling give poor frequency response?

Questions for 4 marks :
1. A multistage amplifier consists of four stages; the voltage gain of the stages are 60,80, 100 and 160 calculate the overall gain.
2. Explain the terms of amplifier I) frequency response and II) decibel gain.
3. Explain the terms of amplifier I) frequency response and II) bandwidth.

4. Explain the terms of amplifier I) decibel gain and II) bandwidth.
5. Explain the frequency response of two-stage RC coupled amplifier.
5. A multistage amplifier consists of three stages; the voltage gain of the stages are 60,100 and 160 calculate the overall gain.

6. How will you achieve impedance matching with transformer coupling?
7. What are the merits of two-stage transformer coupled amplifier over RC coupled amplifier?
8. Draw the neat-labeled diagram of two-stage RC coupled amplifier and two-stage transformer coupled amplifier.

Questions for 6 marks :
1.With the neat diagram explain the working of two-stage RC coupled amplifier
2. Explain the terms of amplifier I) frequency response II) decibel gain and III) bandwidth.
3. Explain RC coupled transistor amplifier with special reference to frequency response, advantages, disadvantages and application.
4. With neat diagram explain the working of transformer coupled transistor amplifier.

Questions for 2 Marks :
1. Draw the block diagram practical power amplifier.
2. What is the function of power amplifier?
3. What is the need of power amplifier?
4. Explain voltage amplification stage in case of power amplifier.
5. Explain voltage driver stage in case of power amplifier.

6. Explain voltage output stage in case of power amplifier.
7. What is the difference between voltage amplifier and power amplifier?
8. Sketch ac load line in case of class A power amplifier.
9. Sketch ac load line in case of class B power amplifier.
10. What do you mean by class C power amplifier?

11. Write the principal of class C push-pull amplifier.
12. What are the advantages of class C push-pull amplifier?
13. What are the disadvantages of class C push-pull amplifier?
14. Sketch cross over distortion.
15. Why heat sink is necessary in case of power transistor?

16. Determine the power that 2N1707 can safely dissipate in free air when TA=500C. Given TJ=2000C and ?J-A=1000c/w.
17. Determine the power that 2N1707 can safely dissipate in free air when TA=600C. Given TJ=2100C and ?J-A=1100c/w.
18. Determine the power that 2N1707 can safely dissipate in free air when TA=550C. Given TJ=1900C and ?J-A=1000c/w.

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