Electric and Electronic Measurement and Instrumentation Notes eBook

Electric and Electronic Measurement and Instrumentation Notes eBook
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Electric and Electronic Measurement and Instrumentation Notes eBook

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TABLE OF CONTENTS
Chapter 1 a
Units and Dimensions
1.1
Art of measurements
1.2
Methods of Measurements and Measuring Instruments 1.2.1 Requirements of Instruments 1.2.2 Classification of Instruments 1.2.3 Accuracy and Precision 1.2.4 Resolution and Overshoot
1.3
Review of fundamental and derived units 1.3.1 Fundamental Units 1.3.2 MKSA and SI Units 1.3.3 Derived Units
1.4
Dimensional Analysis 1.4.1 Dimension of a Physical Quantity 1.4.2 Dimensional Equations
1.5
Solved Problems 1.5.1 Solved Problems on Units 1.5.2 Solved Problems on Dimensions
1.6
Exercises
2
CHAPTER 1 UNITS AND DIMENSIONS 1.1 ART OF MEASUREMENTS Measurement of a quantity is the result of a comparison between the unknown quantity and its predefined standard. A measuring system is required to quantify the parameters involved and establish clear rules about their relative values. Early systems of measurements were based on imprecise units, while the modern measurement systems are based on accurately defined units. Many standard measuring units have been established at