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Electronic Device & Circuits | Question Paper 2073 | CTEVT Diploma | 2nd Year/1st Part

Council for Technical Education and Vocational Training
Office Of The Controller Of Examinations
Sanothimi, Bhaktapur
Regular/Back Exam – 2073, Falgun

Program : Diploma In Information Computer / IT Engineering

Level: DIPLOMA
Year/Part: Second Year/First Part (New Course)
Subject: Electronic Device & Circuits
Time – 3 hrs
Full Marks – 80
Pass Marks – 32

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Attempt Any Ten questions:

#1. Find the maximum and minimum value of the Resistance of the Resistors having following color codes.  [4×2=8]

(i) Red, Green, Blue, Gold     (ii) Brown, Yellow, Black, Silver     (iii) Orange, Grey, Red, Gold     (iv) Green, White, Yellow, Silver

2. Define semiconductor. Explain the doping process and types of Semiconductor in detail.  [8]

3. Explain the formation of depletion layer and forward characteristic of PN-Junction diode along with it’s V-I characteristic curve.  [3+5=8]

4. What is rectifier? Explain about Half wave Rectifier along with circuit diagram and necessary waveforms.  [1+7=8]

5. “Zener diode can be used as voltage regulator”. Explain.  [8]

6. Explain the input & output characteristic of CE configuration in brief.  [8]

7. Explain the characteristics of Class B amplifier with necessary circuit diagram.  [8]

8. Differentiate between BJT and FET. Also explain about MOSFET in short.  [3+5=8]

9. Explain in detail about the Hall effect devices.  [8]

10. Explain about the construction and working of SCR.  [8]

11. Explain short notes on: Any Two  [2×4=8]

(a) Electron Vacuum Tubes     (b) Opto Coupler     (c) Photo voltaic Effect & solar cells     (d) UJT

Check and Download Question Of Electronic Device & Circuits | CTEVT | Computer Diploma | 2nd Year/1st Part | 2073.

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