MU Electronics Engineering (Semester 3)
Electronic Instruments and Measurements
December 2015
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) Compare Electronic Voltmeter & Conventional Analog Voltmeter.
5 M
1 (b) Draw Schering Bridge. List applications of it.
5 M
1 (c) Define transducer. List different types of transducers.
5 M
1 (d) Explain generalized data acquisition system in brief.
5 M
1 (e) Explain sensitivity of voltmeter with one example.
5 M

2 (a) Explain strain gauge transducer. Derive its gauge factor.
10 M
2 (b) Explain capacitive transducer for displacement measurement. Derive its expression.
10 M

3 (a) Compare RTD and Thermocouple with construction working & application.
10 M
3 (b) List flow meters. Draw and explain ultrasonic flow meter in detail state advantages of it.
10 M

4 (a) Draw and explain low, medium and high resistance measurement techniques in detail.
10 M
4 (b) Draw and explain Maxwell's bridge. Write its advantages, disadvantages and applications.
10 M

5 (a) Explain the importance of Lissajous figures in detection of frequency and phase.
10 M
5 (b) Draw & explain DSO. Write the applications of DSO.
10 M

Write note on any two.
6 (a) FET type voltmeter.
10 M
6 (b) Liquid Level measurement application using LVDT.
10 M
6 (c) Data logger
10 M



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