Table of Contents
Introduction to Electronics .......................................................... 1
Introduction: How Computers Take Decisions
Meaning of Electronics
What Is an Electronic Device?
Basic Parts of an Electronic System
Importance of Electronics in Daily Life
Activity: Identifying Electronic Devices
Explore How Electrical Circuits Work .......................................... 7
Introduction
What is Electricity?
What Is an Electronic Circuit?
Main Parts of an Electrical Circuit
How an Electrical Circuit Works
Open Circuit and Closed Circuit
Closed Circuit
Open Circuit
Symbols Used in Electrical Circuits
Safety Rules While Working with Electricity
Activity: Making an Electric Circuit to See Electricity Flow
Learn About Voltage, Current, and Resistance ............................. 17
Introduction to Electricity Flow
What is Voltage?
Sources of Voltage
What is Electric Current?
Direction of Electric Current
What is Resistance?
Examples of Resistance in Daily Life
Relationship Between Voltage, Current, and Resistance
Units of Voltage, Current, and Resistance
Safety Rules Related to Electricity
Activity: Understanding Voltage, Current & Resistance Using Breadboard
Step-by-Step Series Connection
Observations Students Should Notice