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Bel QB 100119

The document is a question bank for the Basic Electronics subject at Bharati Vidyapeeth Institute of Technology, covering topics such as semiconductor diodes, applications of diodes, and bipolar junction transistors. It includes questions of varying marks related to the characteristics, applications, and circuit diagrams of different electronic components. The document is structured into chapters with specific questions aimed at assessing students' understanding of key concepts in electronics.

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38 views2 pages

Bel QB 100119

The document is a question bank for the Basic Electronics subject at Bharati Vidyapeeth Institute of Technology, covering topics such as semiconductor diodes, applications of diodes, and bipolar junction transistors. It includes questions of varying marks related to the characteristics, applications, and circuit diagrams of different electronic components. The document is structured into chapters with specific questions aimed at assessing students' understanding of key concepts in electronics.

Uploaded by

mikeysaiu0
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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BHARATI VIDYAPEETH INSTITUTE OF TECHNOLOGY

Question Bank (I-Scheme)

Name of subject: Basic Electronics Unit Test :I


Subject code: 22216 Course : EJ
Semester: II

CHAPTER-1(Semiconductor Diodes)
(2Marks)
1. State materials used for LED's to emit different colour light.
2. Sketch reverse characteristics of zener diode with proper labelling.
3. State cut in voltage value of diode for silicon and germanium.
4. Draw symbol of photodiode and zener diode.

(4 Marks)
5. Describe experimental set-up for operation of P-N junction diode in forward bias.
Draw its characteristics.
6. Describe V-I characteristics of zener diode.
7. Show constructional details of LED. Give any two applications of LED.
8. Compare Avalanche and zener breakdown.

CHAPTER-2(Application of Diodes)
(2 Marks)
1. State the need of filter.
2. Define rectifier and filter.
3. Define i) PIV ii) Ripple factor

(4 Marks)
1. Describe circuit diagram of bridge rectifier, draw its input and output waveforms.
2. Explain the working of positive clamper with proper circuit diagram and draw the
waveforms at input & output of clamper.
3. State the values of following parameters for half wave and full wave rectifiers :
(i) Number of diode used in circuit. (ii) Rectification efficiency (Ƞ) (iii) Transfer
Utilization Factor (TUF) (iv) Ripple factor
4. Draw circuit diagram and input and output waveforms of full wave rectifier connected
with π filter.
5. Differentiate clipper and clamper with following points: (i) Components used in circuit.
(ii) Function (iii) Application (iv) Configuration

CHAPTER-3(Bipolar Junction Transistor)

(2 Marks)
1. Draw symbol of NPN transistor and PNP transistor.
2. Give applications of BJT

(3Marks)
1. Explain the operation of NPN transistor in the active region.
2. Draw the input and output characteristics of CE configuration with proper labeling of
various regions.

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