Table of Contents
Introduction 2
1. Overview 2
2. Safety Notes 3
3. General Characteristics 3
3.1 DC Voltages (DC Volts) 3
3.2 AC Voltages (AC Volts) 3
3.3 DC Current 4
3.4 Resistance 4
3.5 Diode and Continuity Test 4
4. Reference Table 5
4.1 Table of SI Units 5
4.2 Table of Prefixes 5
5. Measurement 6
5.1 DC Voltage Measurement 6
5.2 AC Voltage Measurement 8
5.3 DC Current Measurement 10
5.4 Battery Test 13
5.5 Resistance Measurement 15
5.6 Diode Test 17
5.7 Continuity Test 19
6. Basic Concepts 21
6.1 Ohm's Law 21
6.1.1 Example 21
6.2 Joule's Law for Electrical Power 24
6.2.1 Example 24
6.3 Kirchhoff's Law 27
6.3.1 Kirchhoff's Current Law 27
6.3.2 Kirchhoff's Voltage Law 27
6.3.3 Example 28
6.4 Shunt Resistor 32
6.4.1 Example 33
6.5 Choosing the Right Resistor for an LED 35
6.5.1 Example 36
6.6 Measuring Internal Resistance of a Battery 39
6.6.1 Example 40
6.7 Testing Some Components Using Multimeter 41
6.7.1 Potentiometer Test 41
6.7.2 BJT Transistor Test 43
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