Electromagnetism, electricity and digital electronics

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Course Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Text and References ,[object Object],[object Object],[object Object],[object Object],[object Object]

Theory of Electrons ,[object Object],[object Object],[object Object],[object Object]

Shells of an Atom ,[object Object]

Shells of orbital Electrons in an Atom 50 18 14 10 6 2 O 32 14 10 6 2 N 18 10 6 2 M 8 6 2 L 2 2 K Total g f d p s

Parts of an Atom ,[object Object],[object Object],[object Object]

Ionization ,[object Object],[object Object],[object Object],[object Object],[object Object]

What are insulators, conductors and semi-conductors? ,[object Object],[object Object],[object Object]

Some insulators and conductors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WIRE SIZES 1.4A 212.872 0.3200 28 3.5A 84.1976 0.5105 24 7A 52.9392 0.6451 22 211A 0.4063 7.3482 1 245A 0.3224 8.2524 0 Ampacity Ohms per Km Diameter, mm AWG gauge

What is Electricity? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Common Sources of Electrical energy or Power. ,[object Object],[object Object],[object Object],[object Object],[object Object]

Alternating Current (AC) and Direct Current (DC) ,[object Object]

Graphical Representation of a DC

Graphical Representation of an AC

How Electricity is Delivered to a Customer

What is electrical energy and power? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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What is voltage? ,[object Object],[object Object]

What are current and resistance? ,[object Object],[object Object],[object Object],[object Object]

Ohm’s Law ,[object Object],[object Object],[object Object],[object Object],[object Object]

Mathematical Prefixes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conversion to Prefixes and Scientific Notations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EXERCISES 300W 12V 120W 1.2 Ω 260W 10A 3 Ω 30V 10 Ω 24A POWER RESISTANCE CURRENT VOLTAGE

Basic Electrical Variables Seimens, mho G Conductance Ohms R Resistance Joule W Energy Watts P Power Volts V Voltage Ampere I Current Coulomb Q Charge sec t Time Unit Symbol Variable

Examples ,[object Object],[object Object]

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Assignment no. 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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II. Complete the Table below, show your solutions 3W 100 Ω 12V 10mA 13.75V 22 Ω 220W 2.4A power voltage current resistance

III. Problem Solving ,[object Object],[object Object],[object Object],[object Object]

Resistor Color Code Temp coef 6 th band tolerance tolerance 5 th band Multiplier Multiplier tolerance 4 th band Significant figure Significant figure Multiplier 3 rd band Significant figure Significant figure Significant figure 2 nd band Significant figure Significant figure Significant figure 1 st band 6 bands 5 bands 4 bands designation

Resistor Color Code +/- 0.5% 100000 5 Green 25 10000 4 Yellow 15 1000 3 Orange 50 +/- 2% 100 2 Red 100 +/- 1% 10 1 Brown 1 0 Black TC TOL multiplier SF Color

+/- 10% 10 -2 Silver +/- 5% 10 -1 Gold 1 10 9 9 White +/- 0.05% 10 8 8 Grey 5 +/- 0.1% 10 7 7 Violet 10 +/- 0.25% 10 6 6 Blue

Exercises ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Assignment no. 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resistivity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Series Parallel Resistors ,[object Object],[object Object],[object Object],[object Object],[object Object]

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2. Find Rx for the circuit shown below

Assignment no. 3 ,[object Object]

Equations ,[object Object],[object Object],[object Object],[object Object],[object Object]

2. Determine the total resistance of the given parallel resistors

3. Find Rx for the parallel resistor below

Assignment no. 4 4. Find the total resistance and current, voltage and power in each resistor below

Series-parallel resistor ,[object Object]

2 . Find the total resistance of the circuit below. Determine the total current and power.

3. Find the total resistance of the circuit below.

4. Find the total resistance of the circuit below.

Series Parallel Capacitor ,[object Object],[object Object]

For parallel capacitor: ,[object Object]

Series Parallel Inductor For series inductor ,[object Object]

For parallel inductor 1/Lt = 1/L1 + 1/L2 + 1/L3

Exercises Determine the total capacitance or inductance of the circuit below ,[object Object]

Magnetism ,[object Object],[object Object]

Ten facts about magnet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of magnets ,[object Object],[object Object],[object Object]

Coulomb’s law ,[object Object],[object Object],[object Object],[object Object]

Assignment no. 7 ,[object Object],[object Object]

4. Find the total force develop by three positive charge to the negative charge particle in the figure

Semiconductor Materials ,[object Object],[object Object],[object Object],[object Object]

The figure below illustrates a bonding diagram of a silicon crystal.

Biasing of Diodes ,[object Object],[object Object]

Volt-Ampere Characteristic Curve

Diode Approximations ,[object Object],[object Object],[object Object]

Diode Application ,[object Object],[object Object]

3. Find the output voltage Vo

4. Find the current and voltage across 2K Ω

Special types of diodes ,[object Object],[object Object]

Logic gates and Boolean Algebra ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Electromagnetism, electricity and digital electronics

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Electromagnetism, electricity and digital electronics