Measurement and Instruments — Winter 2022

Define: (1) Accuracy, (2) Precision, (3) Resolution

Write the difference between indicating and recording instrument.

What are Errors in Measurement? Explain in brief.

Write the uses of basic meters.

What do you understand by extension of the range of a meter? Explain in brief with suitable examples.

Discuss working of PMMC meter with diagram.

Explain Electrodynamometer movement with a neat diagram.

Explain in brief loading effects in analog meters.

What is the difference between analog and digital multimeters?

Explain digital multimeter with its block diagram.

What is a Lissajous pattern in an oscilloscope?

Explain the importance of time and frequency measurement.

What is a seven-segment display? Explain how it works with a diagram.

Write a short note on the LCD.

Explain in brief pulse generator.

Draw and explain the basic block diagram of CRO.

Explain single-phase power measurements technique.

Explain power factor measurement using analog meters.

Explain Sweep frequency generator with necessary diagrams.

What is a Wheatstone bridge circuit? Explain with a diagram.

What is RS 232C Standard? Explain in brief.

What is the current transformer? Explain its working with a construction diagram.

What are impedance, capacitance and inductance and how can they be measured?

Explain with a circuit diagram the Maxwell bridge

Explain capacitive interference, inductive interference and shielding.