Electrical Measurement and Measuring Instruments — Winter 2020

Describe how to make extension of range of ammeter.

Explain the various effects with which deflecting torque is produced.

Explain Maxwell’s inductance-capacitance bridge for measurement of07 inductance. Derive bridge balance equation and draw vector diagram.

Explain digital storage oscilloscope with block diagram.

Explain strip chart recorders.

Describe the construction and working of L.V.D.T. with neat sketches. Draw its07 output characteristics. State advantages and disadvantages of it.

Explain CT and PT.

Define the terms Indicating instruments, Recording instruments and Integrating04 instruments. Give suitable example for each case.

Prove that deflection of electrodynamometer type wattmeter is proportional to07 power consumed.

Give advantages, limitations and applications of Wheatstone bridge.

Explain working of Kelvin’s double bridge for measurement of low resistance07 with neat diagram

Explain the construction, working, torque equation, advantages and dis- advantages of single phase induction type energy meter with neat diagram.

Explain with diagram, the bonded type of strain gauge.

Explain any one pressure measurement techniques in detail.

State different errors in measurement and explain any three.

Explain measurement of capacitance with the help of Schering’s Bridge.

Derive the equations of balance for Owen’s bridge. Draw the phasor diagram04 for conditions under balance.

What is Hall effect? Describe the construction, working principle of Hall effect Transducers and write its applications.

Describe the construction, theory and working of thermocouples.

Explain DMM with schematic diagram.

Explain in detail harmonic analyzes.

State the basic components of a magnetic tape recorder

What are the different types of telemetry system? Explain any one system.

Describe the working of a Potentiometric type of strip chart recorder.