Download PTU B.Tech 2020 March Civil 3rd Sem BTEC 305 18 Basic Electronics & Applications In Civil Engineering Question Paper

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Roll No. Total No. of Pages : 02

Total No. of Questions : 09

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B.Tech.(CE) (2018 Batch)/(ECE) (Sem.-3)

BASIC ELECTRONICS & APPLICATIONS IN CIVIL ENGINEERING

Subject Code : BTEC-305-18

M.Code : 76374

Time : 3 Hrs. Max. Marks : 60

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Answer briefly :
   1. What is Zener Diode?
   2. What are passive elements?
   3. What is the significance of the load line?
   4. Simplify Y=A’B”+ A’B+AB’
   5. Draw the logic diagram of D Flip flop.

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   6. Differentiate between ideal and practical diode.
   7. What is integrator?
   8. Write the applications of the Photodiode.
   9. What is need of biasing?
   10. Convert (101011011101) to decimal.

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SECTION-B

1. Differentiate between the Avalanche and Zener Breakdown.
2. Discuss various types of Logic Gates. Also discuss their applications.
3. Explain the working of the BJT with neat diagram.

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4. Explain the working of D Flip flop along with Truth Table.
5. Explain the working of Bridge Rectifier. How it can be compared from half wave rectifier.

SECTION-C

1. Reduce the following using K-map technique
   F(A,B,C,D) = S M(0,3,4,7,8,10,12,14)

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2. Explain the block diagram and the characteristics of an Op-amp.
3. Explain the Common Emitter configuration. Sketch the input and output characteristics. Explain the operating regions by indication on the characteristics curve.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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