Introduction to Electricity

Categories Electricity & Electronics, Physics

Course Description

Introduction to Electricity is a foundational physics module that illuminates the invisible force powering modern life. From smartphones and streetlights to entire power grids, electricity is the lifeblood of technology and infrastructure.

This lesson introduces the essential concepts behind electrical phenomena, helping learners understand how electric charge behaves, how current flows, and how circuits bring energy to devices. Whether you’re a student, technician, or curious mind, this course offers a clear and engaging entry point into the world of electricity.

What You’ll Learn

⚡ By the end of this lesson, you’ll be able to:

  • Understand electric charge:
    • Learn that electric charge is a fundamental property of matter
    • Distinguish between positive and negative charges
    • Explore how like charges repel and opposite charges attract
    • Recognize the role of electrons and protons in electrical interactions
  • Define electric current:
    • Understand current as the flow of electric charge through a conductor
    • Learn the difference between direct current (DC) and alternating current (AC)
    • Explore how current is measured in amperes (A) and what influences its strength
  • Explore electric circuits:
    • Discover how circuits provide a closed path for current to flow
    • Identify key components: power source, conductors, load (device), and switches
    • Understand the difference between series and parallel circuits
    • Learn how circuits are used to power everything from light bulbs to complex machines

Who This Lesson Is For

This lesson is ideal for students beginning their study of physics or electronics, educators introducing electricity concepts, and anyone interested in how electrical systems work.

A free course by

M
Course Duration: 30m
Course level:Beginner
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Requirements

  • Basic understanding of atoms and matter
  • Interest in physical science and technology

Tags

Electric charge Electric circuits Electric current

Target Audience

  • Middle and high school science students
  • First-year college physics or engineering majors
  • Educators teaching introductory electricity
  • Aspiring electricians and technicians
  • Lifelong learners curious about how devices are powered

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