Electromagnetism Lecture#2 Instructor: Muhammad Mateen Yaqoob

Standards of Length, Mass, and Time MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Standards of Length, Mass, and Time MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Standards of Length, Mass, and Time MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Units of measurement SI fundamental units SI supplementary units MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Except for current which is a fundamental unit, all electrical and magnetic units are derived from the fundamental units. MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE Electrical quantities and derived units with SI symbols. Electric Quantities and Units

Units of measurement Magnetic quantities and derived units with SI symbols. Magnetic quantities and Units MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Scientific Notation Very large and very small numbers are represented with scientific Notation. In scientific notation, a quantity is expressed as a product of a number between 1 and 10 and a power of ten (10 x ). For Example 47,000,0.0 = 4.7 x = 2.2 x MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Power of Ten MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 1 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Q 2 Examples MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 3 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Engineering Notation Engineering notation is similar to scientific notation. However, in engineering notation a number can have from one to three digits to the left of the decimal point and the power-of-ten exponent must be a multiple of three. MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 1 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 2 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Metric Prefixes In engineering notation metric prefixes represent each of the most commonly used powers of ten. MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 1 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Metric Unit Conversion When converting from a larger unit to a smaller unit, move the decimal point to the right. Remember, a smaller unit means the number must be larger. MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Metric Unit Conversion When converting from a smaller unit to a larger unit, move the decimal point to the left. Remember, a larger unit means the number must be smaller. MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Metric Unit Conversion Q 1 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE

Examples Q 2 MATEEN YAQOOB DEPARTMENT OF COMPUTER SCIENCE