August
2015
V63/T04062/EE/20150813
Electronics Instruments and Measurement
Instructions:
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type question of 15 marks which required a typical answer of about
60-80 lines in bout 32-40 minutes.
3. “Sort Answer type Question (SAQ)” is a supply type question of 5 marks which required a typical answer of about 15-20 lines in bout 08-10 minutes.
4. Figures to the right indicate marks allotted to the questions.
5. Assume suitable data if necessary
6. Use a nonprogrammable type of scientific calculator is allowed
SECTION-A
Q.1 Write Requirements of a Multiplier. Draw & Explain Multi range
Ammeter & Multi range voltmeter.
OR
Q.1 Define & explain the static characteristics of an instruments such as
1) accuracy 2) Error 3) Precision 4) Resolution 5) Repeatability
Q.2 Draw & explain true RMS reading voltmeter. Draw & explain
Electrical Circuit Diagram and Operation of Analog Multimeter.
Marks-80
Time: 3 Hrs
Marks
15
15
15
OR
Q.2 Draw & explain the Average responding voltmeter. Explain calibration method for digital instruments.
Q.3 Define Measurement. Explain the loading effect due to shunt connected instruments.
Q.4 What is mean by shielding & List the precautions to prevent instrument damage.
15
5
5

SECTION-B
Q.5 Draw the block diagram of a general purpose CRO & explain the functions of the following controls.
1) Intensity
2) Focus
3) Horizontal(X) Deflection system
4) Vertical(Y) Deflection system
5) Synchronization
OR
Q.5 Explain the following features of an analog type storage oscilloscope:
1) Biastable persistence storage
2) Biastable storage
3) Fast storage
Q.6 What is logic analyzer? Explain the need of logic analyzer. With the help of a basic block diagram, explain the working of logic analyzer.
OR
Q.6 Draw the block diagram of spectrum analyzer & explain it. What is the dynamic range of a spectrum analyzer with a third order intercept point of +26dBm & a noise level of -85dBm?
Q.7 What are the major components of a cathode ray tube?
Q.8 Draw neat block diagram of a AF & RF signal generator
Computer Generated Random Question Paper dated: 07-07-2015 15:53:01
***BEST OF LUCK***
15
15
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5
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