University Questions with Answers (Long Answered Questions)

University Questions with Answers

(Long Answered Questions)

(Regulation 2008)

Dec.-11                

Q.1 Draw the block diagram of the function generator ICL 8038 or any other equivalent and explain its operation. [Section 5.16]  1161

May-12

Q.2 Write an explanatory note on power amplifier. [Section 5.14]    [8]

Dec.-12

Q.3 Draw and explain the functional block diagram of a 723 IC regulator and make the necessary changes to make it as low voltage regulator. [Section 5.8] 116]

Q.4 With neat diagram explain the working of step down switching regulator.     [Section 5.13][16]

Q.5 Write a note on switching regulator. [Section 5.13] [8]

(Regulation 2013)

Dec.-14      

Q.6 State the advantages of IC voltage regulators. [Section 5.7]       [4]

Q.7 Draw and explain the functional block diagram of a 723 IC regulator and make the necessary changes to make it as low voltage regulator. [Section 5.8] [16]

Q.8 With neat diagram explain the working of step down switching regulator.     [Section 5.13] [16]

Q.9 State differences between linear mode and switched mode power supply. Draw the complete block diagram of switching regulator and explain its operation.        [Section 5.13] [8]

Q.10 Draw the internal circuit schematic of LM 380 power amplifier and briefly discuss its salient features. [Section 5.15] [10]

May-15     

Q.11 Explain the working of series voltage regulator. [Section 5.6]   [8]

Q.12 Explain the working principle of IC 8038 function generator. [Section 5.16] [8]

Q.13 What is the principle of switch-mode power supplies ? Discuss its advantages and disadvantages. [Section 5.13]  [8]

Q.14 With a neat diagram explain the operation of LM 380 power amplifier.      [Section 5.15.3]        [8]

Dec.-15      

Q.15 Draw and explain the functional diagram of 723 IC regulator. [Section 5.8.2] [8]

Q.16 Explain fold back characteristics of 723 IC regulator. [Section 5.9.3]          [8]

Q.17 Draw the circuit diagram of a LM 380 power audio amplifier and explain its operation. [Section 5.15.3]    [12]

Q.18 What are the applications of LM 380 power amplifier 1 [Section 5.15.4] [4]

May-16     

Q.19 Explain the operation of switching regulator. Give its advantages. [Section 5.13] [16]

Q.20 Write short notes on : (i) LM 380 power amplifier. [Section 5.15]      (ii) ICL 8038 Function generator. [Section 5.15]    [8]

Dec.-16

Q.21 What do you mean by the fixed voltage and variable voltage regulator. List its various applications. [Sections 5.10 and 5.11]        [13]

Q.22 Write short notes on : (i) LM 380 power audio amplifier. [Section 5.15] [6]

(ii) ICL 8038 function generator. [Section 5.16]   [7]

May-17

Q.23 With necessary diagram and waveforms explain the working principle of switched mode power supply. (Refer section 5.13)     [13]

Q.24 Write short notes on the following :

i) LM 380 power amplifier (Refer section 5.15)

ii) ICL 8038 function generator. (Refer section 5.16)      [13]

Dec.-17

Q.25 Briefly explain the working principle of switch mode power supply with necessary circuit diagrams and waveforms. (Refer section 5.13)      [13]

Q.26 Write short notes on :

i) LM 380 power audio amplifier (Refer section 5.15)    [6]

ii) ICL 8038 function generator IC. (Refer section 5.16) [7]

May-18

Q.27 Explain the working principle of basic linear voltage regulator using op-amp. (Refer section 5.6) [7]

Q.28 Explain the operation of a monolithic IC Class - A audio power amplifier LM380. (Refer section 5.15)         [6]

Q.29 Write a detailed note on switching regulators. (Refer section 5.13)     [13]

Note All the examples asked in the previous university papers are solved and included in the chapter.