Exam Papers

Basic Electronics 2023 – BSc Computer Science Part 1

Paper Code: 13507
1507
B.Sc. (Computer Science) (Part 1)
Examination, 2023
Paper No. 3.1
BASIC ELECTRONICS

Time: Three Hours] [Maximum Marks: 33

 

Note: Attempt all the five questions in all. Question No. 1 is compulsory.

1. (a) What do you mean by active and passive components? What are the various types of resistors and capacitors?3

    (b) Discuss the advantages and disadvantages of a multi-meter.2

2. Find a expression for the growth and decay of current in a L-R circuit show that time constant (L/R) is the time in which current rises to 63% or decay to 37% of its maximum steady value. 7


3. State and prove Thevenin’s theorem? Give the main point of difference between Thevenin’s and Norton’s theorem. 7

4. (a) What is meant by a filter? Differentiate between low pass, high pass, band pass and band reject filter. 4

    (b) Explain the mechanism if light emission in a light emitting diode. 3

5. (a) Draw the symbol of npn and pnp transistor and specify the leads. Why is the base of a transistor made thin an lightly dropped?4

    (b) Name the classification of amplifiers based on frequency response. RC completed amplifiers are mostly used why? 3

6. (a) Explain Barkhauxan criterion and it’s importance in the working of oscillators. 3

    (b) What do you mean by an ideal OP-Amp? Explain how OP-Amp acts as a difference amplifier. 4

7. Write short notes on any two of the following: 7

    (i) Bridge rectifier

    (ii) Zener regulator

    (iii) Switched mode power supply

………………End………………

Lokesh Kumar

Being EASTER SCIENCE's founder, Lokesh Kumar wants to share his knowledge and ideas. His motive is "We assist you to choose the best", He believes in different thinking.

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