Question Paper: Electronic Instruments and Measurements : Question Paper May 2013 - Electronics Engineering (Semester 3) | Mumbai University (MU)
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Electronic Instruments and Measurements - May 2013

Electronics Engineering (Semester 3)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.


Answer any four of the following :-

1 (a) How CRO is applicable for component testing? Justify.(5 marks) 1 (b) What is Lissajous pattern? How measurement of frequency can be done it with?(5 marks) 1 (c) How power factor meter works?(5 marks) 1 (d) What is back emf voltage equation?(5 marks) 1 (e) What is hybrid stepper motor?(5 marks) 2 (a) What is dual trace, multi-trace, dual beam and sampling storage oscilloscope? (10 marks) 2 (b) With the neat diagram and waveform explain the working of phase meter using Flip-Flop.(10 marks) 3 (a) What are the Essentials of indicating instrument? Explain it in details.(10 marks) 3 (b) Explain the measurement of inductance by Maxwell's Hay's method.(10 marks) 4 (a) List various types of DVMs and explain in detail.(10 marks) 4 (b) What are the Requirements of a good laboratory type signal generator? Explain A.F. signal generator.(10 marks) 5 (a) Explain construction ans working principle of stepper motor.(10 marks) 5 (b) Explain Kelvin's double bridge.(10 marks) 6 (a) List various methods of analog to digital and digital to analog conversion and explain any one in detail.(10 marks) 6 (b) What is beat Frequency oscillator and explain its advantages.(10 marks) 7 (a) Describe the panel layout of CRO.(10 marks) 7 (b) How to Measure medium, low and high resistance?(10 marks)

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