Total No. of Questions [Total No. of Pages 2
M.Sc. (Previous) DEGREE EXAMINATION, MAY 2018
PHYSICS
First Year
Electronics
Time 3 Hours Maximum Marks 70
Answer any Five questions.
All questions carry equal marks
Q1) Explain the working of operational amplifier with block diagram.
What is CMRR? Explain.
Q2) Explain the working of Wien's bridge oscillator with block diagram.
Give an account on the operation of class B push full amplifier with wave
forms.
Q3) Define microwaves and discuss the application of Maxwell's equations in the
rectangular wave guides.
With a neat block diagram explain the working of Magic T attenuator.
Q4) Define Frequency modulation and discuss the production and detection of FM
waves.
Discuss about the propagation of ground wave and sky wave.
Q5) Draw the circuit diagrams of NAND, NOR and exclusive OR logic gates and
explain its working with the help of truth tables.
Explain the working of a multiplexer encloser with neat diagram.
Q6) Explain the working of RS and JK flip flops with block diagrams.
With a neat block diagram explain the operation of A/D converter.
Q7) Explain the architecture and pin configuration of 8085.
Write an assembly language program for multiplication of two 8 bit numbers.
Q8) Explain the architecture of 8086 and explain the operation of each pin.
Explain the instruction set of 8086.
Q9) Write notes on any two of the following
Phase shift oscillator
Foster seelay discriminator
Shift register
Addressing modes of 8085.