August
T05/TES043/EE/20150824
2015
Instructions:
Basic Electronics -3
MARKS-80
Time: 3 Hrs
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type
question of 15 marks which required a typical answer of about
60-80 lines in bout 32-40 minutes.
3. “Sort Answer type Question (SAQ)” is a supply type question
of 5 marks which required a typical answer of about 15-20 lines
in bout 08-10 minutes.
4. Figures to the right indicate marks allotted to the questions.
5. Assume suitable data if necessary
6. Use a nonprogrammable type of scientific calculator is
allowed
Marks
SECTION-A
Q.1 Draw & explain the structure of P channel enhancement type
MOSFET.
OR
15
Q.1 Draw & explain the structure of N channel depletion type
MOSFET.
15
Q.2 Draw & explain characteristics & principle of operation of IGBT?
15
OR
Q.2 comparison between SCR & TRIAC
15
Q.3 Draw symbol of n channel & p channel MOSFET. Also explain
their construction
5
Q.4 Explain the method of JFET testing?
5
SECTION-B
Q.5 Explain in brief.
(1) op-amp surface mounting device
(2) Linear ICS
15
OR
Q.5 Discuss the operation of op-amp as a differentiator. Derive
expression for output voltage for differentiator circuit.
15
Q.6 Write the disadvantages of zener-diode shunt regulator.
10
What is voltage regulation? Define line & load regulation.
OR
Q.6 Describe the monolithic IC voltage regulators
5
15
Q.7 Give the advantages of regulated power supplies.
5
Q.8 Draw the circuit symbol for IC 741.Explain the function of each
pin.
5
Computer Generated Random Question Paper dated: 16-07-2015 17:06:45
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