Download PTU B.Tech 2020 March Civil 1st and 2nd Sem EE 101 Basic Electrical And Electronics Engineereing Question Paper

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Roll No. [T TTTTTT] [ ] Total No. of Pages : 02

Total No. of Questions : 09

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B.Tech.(CIVIL/IEE) (Sem.-1,2)

BASIC ELECTRICAL AND ELECTRONICS ENGINEEREING

Subject Code : EE-101

M.Code : 54007

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 & C have FOUR questions each.
3. Attempt any FIVE questions from SECTION B & C carrying EIGHT marks each.
4. Select atleast TWO questions from SECTION - B & C.

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SECTION-A

I. Write short notes on :

1. a) State Ohm's Law.
2. b) Define work and power.
3. c) What do you mean by effective value? Discuss.

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4. d) What do you mean by self-inductance? Explain.
5. e) List the advantages and disadvantages of moving coil instruments.
6. f) Explain the need of transducers.
7. g) Discuss the principle of thermistor.
8. h) How Zener diode is different from ordinary diode?

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9. i) What is the significance of truth table? Discuss.
10. j) List the significance Flip flop.

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SECTION-B

1. Two cells having emf of 10 V and 8V, and internal resistance of 1O (each) are connected as shown with an external resistance of 8O. Find the current flowing in different branches of the circuit using Kirchhoff's laws.

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FIG.1

2. A series RLC circuit has R=10O, L =0.1 H and C= 8µF. Determine
   1. a) Resonant frequency
   2. b) Q factor of the circuit at resonance
   3. c) The half power frequencies

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3. Describe the principle and working of attraction and repulsion type moving iron instruments.
4. Explain the construction and working of a single-phase transformer in detail. Also discuss its applications.

SECTION-C

1. Explain the construction and principle of working of inductive and capacitive transducers. 8
2. Explain the principle of operation and characteristics of FET. Also discuss its applications. 8

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3. Explain the following :
   1. a) 74XX series ICs 4
   2. b) Binary, octal and hexadecimal number system 4
4. Draw the logical diagram and discuss each and every state of RS and D flip flops. 6,2

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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