13-06-2012, 02:11 PM
Question paper for B.Tech
Question paper.PDF (Size: 43.28 KB / Downloads: 48)
1. a) Explain the terms Accuracy, Sensitivity, and Resolution as used for indicating
instruments.
b) A basic D’Arsonval movement with a full scale deflection of 100 μA and an
internal resistance of 2000 is available. It is to be Converted into a 0-5V ,
0-10V, 0-25V, and 0-50V multi range voltmeter using individual multipliers
for each range. Calculate the values of the individual resistors.
2. Explain the working of a function generator producing sine , square and
triangle waveforms. Draw its block diagram.
3. a) What do you understand by total harmonic distortion ?
b) With a neat sketch explain the operation of a fundamental suppression harmonic
distortion analyzer.
4. a) Describe the function of each of the following oscilloscope controls
i)Focus ii)Astigmatism iii) Intensity IV) Sweep
b) Draw the block diagram of a basic oscilloscope and explain each block.
5. a) Describe the function of attenuators in CROs
b) With a block diagram explain the operation of a sampling oscilloscope.