MU Electronics and Telecom Engineering (Semester 3)
Electronic Instruments and Measurements
May 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Define transducer and explain the classification of transducer
5 M
1 (b) Explain with diagram principle of operation of frequency selective wave analyzer.
5 M
1 (c) Write applications of Q meter
5 M
1 (d) Describe various types of sweeps used in CRO
5 M

2 (a) Explain the principal of operation of dual slope DVM.
10 M
2 (b) Explain with neat diagram working principle of LVDT. Give its applications
10 M

3 (a) Explain various types of errors in measurement in detail.
10 M
3 (b) Explain with example working of successive approximation type ADC.
10 M

4 (a) Explain in detail? Resistance strain gauges:
10 M
4 (b) Compare the temperature transducers RTD, thermistors and thermocouples on the basis of principle, characteristics, ranges and applications.
10 M

5 (a) Explain performance characteristics of D/A converters
10 M
5 (b) Explain the significance of 3-1/2 and 4-1/2 digit displays 3-1/2 Digit Display:
10 M

6 (a) Draw and explain block diagram of digital storage oscilloscope and mention the modes of operation of DSO
10 M
6 (b) Explain electrodynamometer type wattmeter
10 M



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