Semester : SEMESTER 5
Subject : Power Electronics & Instrumentation
Year : 2022
Term : JANUARY
Scheme : 2015 Full Time
Course Code : EC 307
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06000EC307122001
With neat sketches derive the balance conditions of Schering’s bridge. How
capacitance can be found out.
PART C
Answer any two full questions, each carries 20 marks.
What is meant by passive and active transducers? Give examples.
Describe the basic principle of a strain gauge. What is gauge factor?
Describe with the help of necessary diagrams, how strain gauge can be used to
measure weight.
With the help of block diagrams describe Logic State analyzers.
With the help of block diagrams describe RF power meter.
Explain the digital measurement technique of time, phase and frequency
Explain with necessary diagrams how capacitive transducers can be used to
measure liquid level.
With the help of block diagram describe digital voltmeter.
List out the application of digital storage oscilloscope
Describe the basic principle of hall effect transducer
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