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Introduction OBJECTIVES After studying this chapter, you will be able to • describe the SI system of measurement, • convert between various sets of units, • use power of ten notation to simplify handling of large and small numbers, • express electrical units using standard prefix notation such as mA, kV, mW, etc., • use a sensible number of significant digits in calculations, • describe what block diagrams are and why they are used, • convert a simple pictorial circuit to its schematic representation, • describe generally how computers fit in the electrical circuit analysis picture.
KEY TERMS Ampere Block Diagram Circuit Conversion Factor Current Energy Joule
Meter Newton Pictorial Diagram Power of Ten Notation Prefixes Programming Language Resistance Schematic Diagram Scientific Notation SI Units Significant Digits SPICE Volt Watt
OUTLINE Introduction The SI System of Units Converting Units Power of Ten Notation Prefixes Significant Digits and Numerical Accuracy Circuit Diagrams Circuit Analysis Using Computers