About the video
This lesson covers electric charges and fields, focusing on the behavior of protons and electrons. You’ll learn how electric fields are formed by the accumulation of positive and negative charges and the concept of electric potential. The video explains the difference between voltage and electromotive force (EMF), illustrating how these principles are essential in understanding electrical circuits and their interactions. Highlighting the properties of charged particles and their significance in electromagnetism. To get started, go to the Lesson Content tab and click on the video.
About the quiz
Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.
Charges
Charges are rewards you earn for engaging in our learning system. You receive charges for completing both the video and the quiz in each lesson. The amount of charges available for each lesson is displayed in the “Lesson Features” box on the right. The charges you earn are based on the time it takes you to complete the lesson, which is also indicated in “Lesson Features.”
