Enlist various types of instrument in measurement. Discuss any one of them.
[3 marks]Define error. Discuss various types of errors in measurement.
[4 marks]Discuss the basic principle of PMMC instrument. Explain its construction with its merits and demerits.
[7 marks]“All accurate instrument must be precise”. State true or false. Justify your answer.
[3 marks]Discuss loading effect in voltmeter.
[4 marks]Draw & discuss the block diagram of Digital Multimeter (DMM).
[7 marks]Draw block diagram of CRO. Explain each of its block in detail with its front panel control.
[7 marks]Discuss LCD in brief.
[3 marks]Draw & discuss Wien’s bridge circuit diagram along with its application.
[4 marks]Draw Wheatstone bridge circuit and derive its balance equation. Also mention its advantages and disadvantages.
[7 marks]How to use 7-segment LED as an alphanumeric display?
[3 marks]Explain the mechanism to extend the range of ammeters.
[4 marks]Draw Anderson bridge circuit and discuss its application for the inductance measurement.
[7 marks]Discuss the factors affecting intensity of light beam on CRO screen.
[3 marks]Discuss the significance of Lissajous pattern in oscilloscope for the measurement of various parameters.
[4 marks]Draw & discuss the block diagram of Digital Storage Oscilloscope (DSO).
[7 marks]Draw & discuss the bridge used to measure low value of resistance.
[3 marks]Discus the single-phase power measurement.
[4 marks]Explain various types of interference signals and their elimination techniques in AC sources.
[7 marks]Discuss the principle of energy meter.
[3 marks]Give the difference between CT (Current transformer) and PT (Potential transformer)
[4 marks]Write a short note on: Function generator
[7 marks]Discuss the significance of harmonic analyzer along with its basic principle of operation.
[3 marks]Discuss the basic principle of oscillator.
[4 marks]Write a short note on: RS 232C standard
[7 marks]