8.1 - Definition
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is electric charge?
💡 Hint: Think about forces in electric or magnetic fields.
Define positive charge.
💡 Hint: Consider what happens when an object loses electrons.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of electric charge?
💡 Hint: This unit is named after Charles-Augustin de Coulomb.
True or False: Electric charges can be created and destroyed.
💡 Hint: Think about how charges behave in a closed system.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A sphere has a net positive charge of +10μC. If it gains additional +5μC charge, what will its new charge be?
💡 Hint: Remember the additive property of charge.
Two point charges, +3μC and -3μC, are 1 meter apart. Calculate the force between them using Coulomb's law.
💡 Hint: Look up the formula for Coulomb's law.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.