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Physics Tutorial 15.1 - Electric Current. Current Density

There are 4 lessons in this physics tutorial covering Electric Current. Current Density. The tutorial starts with an introduction to Electric Current. Current Density and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of Electric Current. Current Density. you can access all the lessons from this tutorial below.

In this Physics tutorial, you will learn:

  • Definition of electric current
  • Why electric current is that important in daily life?
  • What is charge density? How many types of charge density are there?
  • What is the difference between charge density and current density?
  • What is direct current?
  • What direction does the current flow in a circuit?
  • How can we find the electric field using the help of charge density and Gauss Law?

Introduction

Does static electricity (stationary charges) do any work? Is static electricity indispensable for the society in today's world? Why?

What kind of electricity do we use for most applications in daily life?

What is the direction of charges flow through a conductor?

In this tutorial, we will discuss about electric current, which is one of prerequisites for the existence of electricity. You can also check the answer of the above questions after reading the content and the solved examples.

Please select a specific "Electric Current. Current Density" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.

Electrodynamics Learning Material
Tutorial IDPhysics Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
15.1Electric Current. Current Density
Lesson IDPhysics Lesson TitleLessonVideo
Lesson
15.1.1Moving Charges. The Meaning of Electric Current
15.1.2Charge Density and Current Density. Why are they Different?
15.1.3Direct Current. The Direction of Current Flow
15.1.4Appendix - Charge Density, Electric Field and Gauss Law

Whats next?

Enjoy the "Electric Current. Current Density" physics tutorial? People who liked the "Electric Current. Current Density" tutorial found the following resources useful:

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  2. Electrodynamics Revision Notes: Electric Current. Current Density. Print the notes so you can revise the key points covered in the physics tutorial for Electric Current. Current Density
  3. Electrodynamics Practice Questions: Electric Current. Current Density. Test and improve your knowledge of Electric Current. Current Density with example questins and answers
  4. Check your calculations for Electrodynamics questions with our excellent Electrodynamics calculators which contain full equations and calculations clearly displayed line by line. See the Electrodynamics Calculators by iCalculator™ below.
  5. Continuing learning electrodynamics - read our next physics tutorial: Electric Resistance. Combinations of Resistors

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