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Electronics-1 May 2016 3rd Sem Electrical Engineering Diploma Paper

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Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Paper

                                      SECTION-A

Q1. Fill in the blanks.                                                      10×1.5=15

a. To obtain p-type semiconductor _____________ impurity is added to a pure semiconductor.
b. A capacitor circuit does not allow to pass _______ component.
c. A Zener diode is always operated in the ___________ region.
d. In a transistor, there are two pn junctions.(T/F)
e. The point where dc load line intersects the given base current curve is called _____________
f. In an amplifier, power gain=current gain * _______ gain.
g. A FET is a bipolar transistor. (T/F)
h. A multi stage amplifier contains more than one amplifier. (T/F)
i. The emitter of a transistor is doped
(i) heavily (ii)lightly
(iii) moderately (iv)none of these
j. LED stands for _______________ .

                                      SECTION-B

Q2. Attempt any SIX questions.                                                                    6×5=30

a. What is doping? Explain with suitable diagram intrinsic and extrinisic semiconductor.
b. Explain half wave rectifier with the help of diagram.
c. Write short note on: Varactor diode.
d. Give brief history of development of electronics.
e. Differentiate between ac load line and dc load line.
f. Discuss JFET as amplifier in brief.
g. Explain the following terms:
(i) multistage amplifier (ii)power gain (iii) frequency response (iv) decibel gain (v) bandwidth

                                     SECTION-C

Q3. Attempt any three questions.                                                       3×10=30

a. What is zener diode? With the help of diagram explain its characteristics. Also write down its various applications.
b. Explain transformer coupled amplifier and its frequency response with the help of diagram.
c. Explain in detail construction, operation and applications of MOSFET.
d. Write short note on any two:
(i) Ripple factor
(ii) Drift current and Diffusion current
(iii) Avalanche break down

Electronics-1 May 2019 3RD Sem Electrical Engineering Solved PSBTE Diploma Paper

                                      SECTION-A

Q1. Fill in the blanks.                                                      10×1.5=15

a. The electronics components which can process the signal are called Active components.
b. The voltage source with Zero Internal resistance is called ideal voltage source.
c. Valence electrons are present in Outermost orbit of an atom.
d. With the addition of trivalent impurity to a semiconductor P- type semiconductor is obtained.
e. A capacitor does not allow passing dc Component.
f. In the saturation region of a transistor, both the junctions are Forward Biased .
g. For the transistor to work as an amplifier, its operation point should be in Active Region.
h. The RC Coupling is used for audio signal amplification in multi stage amplifiers.
i. A field effect transistor is a Three Terminal semiconductor device
j. Zener diode is made to operate in Breakdown region.

Electronics-1 May 2019 3RD Sem Electrical Engineer
ing Diploma Paper


Get Started

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Section a Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Paper

The electronics components which can process the signal are called ________ components.

a. To obtain p-type semiconductor _____________ impurity is added to a pure semiconductor.
b. A capacitor circuit does not allow to pass _______ component.
c. A Zener diode is always operated in the ___________ region.
d. In a transistor, there are two pn junctions.(T/F)
e. The point where dc load line intersects the given base current curve is called _____________
f. In an amplifier, power gain=current gain * _______ gain.
g. A FET is a bipolar transistor. (T/F)
h. A multi stage amplifier contains more than one amplifier. (T/F)
i. The emitter of a transistor is doped
(i) heavily (ii)lightly
(iii) moderately (iv)none of these
j. LED stands for _______________ .

The voltage source with _________ Internal resistance is called ideal voltage source.

The voltage source with Zero Internal resistance is called ideal voltage source.

Valence electrons are present in ___________ orbit of an atom.

Valence electrons are present in Outermost orbit of an atom.

_________ is the collection of interrelated data. 

With the addition of trivalent impurity to a semiconductor P-type semiconductor is obtained.

The _________ command is used to modify the information stored in a table. 

A capacitor does not allow passing dc Component.

In the saturation region of a transistor, both the junctions are ______________

In the saturation region of a transistor, both the junctions are Forward Biased .

For the transistor to work as an amplifier, its operation point should be in ________  Region.

For the transistor to work as an amplifier, its operation point should be in Active Region.

The ___________ Coupling is used for audio signal amplification in multi stage amplifiers.

The RC Coupling is used for audio signal amplification in multi stage amplifiers.

 A  ____________ is the set of allowable values for one or more attributes.

Field effect transistor is a Three Terminal semiconductor device

Zener diode is made to operate in _________ region.

Zener diode is made to operate in Breakdown region.

Electronics-1 May 2019 3RD Sem Electrical Engineering Diploma Paper Click Here

Section B :Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Paper

What is doping? Explain with suitable diagram intrinsic and extrinisic semiconductor.

Doping and intrinsic and extrinisic semiconductor.

Explain half wave rectifier with the help of diagram.

Half wave rectifier with the help of diagram.

Write short note on Varactor diode.

Short note on Varactor diode.

Give brief history of development of electronics.

History of development of electronics.

Differentiate between ac load line and dc load line.

Differentiate between ac load line and dc load line.

Discuss JFET as amplifier in brief.

JFET as amplifier.

Explain the following terms: (i) multistage amplifier

 multistage amplifier 

Explain the following terms: (i) multistage amplifier

(i) multistage amplifier 

(ii)Power gain

Power Gain  

(iii) frequency response

Frequency response 

(iv) Decibel gain

Decibel gain

(v) Bandwidth

Bandwidth

Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Solved Paper Click Here

Electronics-1 May 2016 3RD Sem Electrical Engineer
ing Diploma Paper


Get Started

https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Paper

What is zener diode? With the help of diagram explain its characteristics. Also write down its various applications.

Zener diode , its characteristics and applications.

Explain transformer coupled amplifier and its frequency response with the help of diagram.

Transformer coupled amplifier and its frequency response.

Explain in detail construction, operation and applications of MOSFET.

Construction, operation and applications of MOSFET.

Write short note on Ripple factor

Ripple factor

Write a Short Note on Drift current and Diffusion current

Short Note on Drift current and Diffusion current

Write a Short Note on Avalanche break down

Short Note on Avalanche break down

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