M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
First Semester
Electronics and Communications
ELECTRONICS INSTRUMENTS AND MEASUREMENTS
2 21315-AA
Time 3 Hours Max. Marks 70
PART — A
(Short Answer Types Questions)
Answer any FIVE questions. 6 30 Marks)
All questions carry equal marks
1. What is an error? Give types of errors.
2. Give a note on transducers.
3. Explain pyro electric effect.
4. Discuss Induction.
5. Explain working of Strain Gauge.
6. Describe about Measuring Systems.
7. Explain about Fields and Potentials.
8. What is a Function Generator? How does it work?
PART — B
(Essay Type)
Answer ALL questions of the following. 10 40 Marks)
All questions carry equal marks
9. Discuss about Standards and Calibrations of Measuring Instruments.
Or
Explain Instruments Performance Characteristics.
10. Explain the Physical Principles of Sensing.
Give an account of Piezo Electric Effect.
Or
Explain Hall Effect, See beck and Peltier Effects.

11. Explain the working of Flow Meter.
Or
Discuss the working of LVDT.
What is MEMS?
12. Explain the working of Digital Storage Oscilloscope with neat diagram.
Or
Discuss the working of Digital Frequency meter with neat diagram.
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