D.2.1.b - Point Charge Electric Field
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
Define what an electric field is in your own words.
💡 Hint: Think about the area around a magnet and how it can affect other magnetic objects.
What is the formula for electric field strength?
💡 Hint: Remember how force relates to charge in a field.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What formula represents the electric field due to a point charge?
💡 Hint: Remember the constants that relate to point charges.
True or False: The electric field points away from negative charges.
💡 Hint: Think about how forces work in relation to charge types.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A point charge of +5 μC is located at the origin. Calculate the electric field strength at a point 3 meters away and determine the direction of the field.
💡 Hint: Apply the formula correctly and clarify the direction based on the charge sign.
Two equal point charges of +2 μC are placed 1 meter apart. What is the electric field strength at a point halfway between the two charges?
💡 Hint: Analyze the contributions from each charge based on distance and construct a combined field.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.