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MU Electronics and Telecom Engineering (Semester 3)
Electronic Instruments and Measurements
December 2015
Electronic Instruments and Measurements
December 2015
Attempt any four:
1 (a)
Significance of four and half digit display.
5 M
1 (b)
Discuss megger for measurement of very high resistance.
5 M
1 (c)
Explain working of strain gauge and its application in load measurement.
5 M
1 (d)
Explain working of thermocouple and mention its range.
5 M
1 (e)
Explain error in measurement and methods of error minimization.
5 M
1 (f)
A galvanometer with a 1 mA full scale deflection and an internal resistance of 500 Ω is to be used as voltmeter, find series resistance for 1 and 10 v ranges.
5 M
2 (a)
Draw and explain working of capacitive transducer for level measurement.
10 M
2 (b)
Draw neat block diagram of CRO and explain its functioning comment on role of delay line in CRO.
10 M
3 (a)
Discuss DSO with the help of block diagram along with various modes of operation also explain its applications.
10 M
3 (b)
Explain LVDT and define its application in displacement measurement.
10 M
4 (a)
Explain Heterodyne type waves analyser and its applications.
10 M
4 (b)
Draw and explain Weighted resistor type DAC for 3 bits input taking suitable example.
10 M
5 (a)
Draw and explain Schering bridge and derive expression for measurement of capacitance.
10 M
5 (b)
Define power and energy and explain working of a single phase energy meter.
10 M
6 (a)
Draw ad explain Wheatstone bridge and derive expression for measurement of resistance.
10 M
6 (b)
Explain flash type 3 bit ADC with the help of block diagram and comment on its speed.
10 M
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