Download Previous Year Diploma Solved Question Paper of Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Paper
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.
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 Zero Internal resistance is called ideal voltage source.
Valence electrons are present in Outermost orbit of an atom.
With the addition of trivalent impurity to a semiconductor P-type semiconductor is obtained.
A capacitor does not allow passing dc Component.
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 Active Region.
The RC Coupling is used for audio signal amplification in multi stage amplifiers.
Field effect transistor is a Three Terminal semiconductor device
Zener diode is made to operate in Breakdown region.
Electronics-1 May 2019 3RD Sem Electrical Engineering Diploma Paper Click Here
Doping and intrinsic and extrinisic semiconductor.
Half wave rectifier with the help of diagram.
Short note on Varactor diode.
History of development of electronics.
Differentiate between ac load line and dc load line.
JFET as amplifier.
 multistage amplifierÂ
(i) multistage amplifierÂ
Power Gain Â
Frequency responseÂ
Decibel gain
Bandwidth
Electronics-1 May 2016 3RD Sem Electrical Engineering Diploma Solved Paper Click Here
Zener diode , its characteristics and applications.
Transformer coupled amplifier and its frequency response.
Construction, operation and applications of MOSFET.
Ripple factor
Short Note on Drift current and Diffusion current
Short Note on Avalanche break down