Electronic Measurements and Instrumentation (EC-302) - Important Questions

List and briefly explain the static and dynamic characteristics of measurement systems / instruments.

What is error in measurement? List and explain in detail the different types / classification of errors in instruments, including error analysis and importance of calibration.

Draw the block diagram of a Cathode Ray Oscilloscope (CRO) and explain the construction, working and function of its different parts/blocks, including important applications.

Explain dual trace CRO with block/circuit diagram and operation, including applications of CRO.

Draw the circuit diagram of Schering bridge and explain its operation for measurement of unknown capacitance.

Describe Hay's bridge with circuit diagram, operation and short note.

Explain the construction and working principle of LVDT with diagram, including how magnitude and direction of core displacement are detected.

Explain the various types of optical transducers: photoemissive, photoconductive and photovoltaic.

What is a thermocouple and explain the working principle of a piezoelectric transducer?

Explain the working principle and operation of a sweep frequency generator with block diagram.

Explain the working / short note on LCD.

Explain the working principle of R-2R ladder type DAC with circuit/block diagram.

Explain the working principle and operation of successive approximation (SAR) type ADC / digital voltmeter with diagram.

Draw and explain the operation of dual-slope integrating / integrating type ADC.

Explain resolution and sensitivity of a DVM / digital multimeter.

Explain the working principle of chopper type DC voltmeter with block diagram.