Monday, January 30, 2023

Dr. A.P.J. Abdul Kalam University BE VI SEM (EX) Electronic Instrumentation [EX-603] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Sixth Semester Examination, June-2021

Electronic Instrumentation [EX-603]

Branch- EX

Time: 3:00 Hrs Max Marks 70

Note: 1. Attempt any five questions. All question carry equal marks.

2. Student should not write anything on Question paper.

Q.1 (a) What is CRO? Explain its block diagram.

(b) Explain:

(i) Maxwell’s inductance capacitance bridge (ii) Schering bridge

Q.2 (a) Explain transducer with classification.

(b) Explain principle of LVDT.

Q.3 (a) Explain Q meter and its applications.

(b) Describe harmonic distortion analyzer with help of block diagram.

Q.4 (a) Draw the block diagram of ramp type digital voltmeter and explain its


(b) Explain the principle of working of a magnetic tape recorder. What are

its basic components?

Q.5 (a) What do you understand by function generator? Draw its block diagram

and explain its working.

(b) How can fiber optical power be measured? Also discuss with the help of

block diagram.

Q.6 (a) How can fiber optical be measured. Also discuss with the help of block


(b) What are Lissajous patterns?

Q.7 (a) What are the advantages of digital instruments over analog instruments?

(b) Draw the block diagram of successive approximation types digital

voltmeter and explain its working.

Q.8 Write short note on:-

(i) Sine wave generators

(ii) Square and pulse generators

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