PhysicsElectricity and CircuitsIntroduction to Electricity

Introduction to Electricity

Table of Contents

  • Introduction to Electricity
  • Electricity – Definition
    • Types of Electricity
    • Types of Electric Charges
    • Properties of Electric Charges
    • Electric Current
  • Summary
  • Did You Know?
  • What’s Next?

In this chapter, we will learn about Electricity and Circuits and this segment is a brief introduction to electricity.

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    Introduction to Electricity

    In 1879, Thomas Edison invented the first electric light bulb. Since then electricity has become an integral part of our lives. From powering the smallest of gadgets to huge machinery, electricity is an indispensable part of our existence.

    What is Electricity?

    Electricity is a form of energy associated with the presence and flow of electric charges.

    Types of electricity

    There are two forms of electricity: Static electricity and Dynamic electricity.

    This segment focuses on dynamic electricity, which is defined as the flow of electric charges through a conductor.

    Types of electric charges

    There are two types of electric charges: positive (denoted by the ‘plus sign’) and negative (denoted by the ‘minus sign’).

    Tiny particles, called subatomic particles, with an incredibly small mass, carry these charges. The positive charges are carried by particles called Protons; whereas, negative ones are carried by particles called Electrons.

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