D.2.1 - Electric Fields
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
Write the formula for electric field strength.
💡 Hint: What do we divide by to find the strength?
What does ε0 stand for?
💡 Hint: Remember, it's a constant related to electric fields.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating electric field strength?
💡 Hint: Think about what you are dividing to calculate strength.
True or False: The vacuum permittivity is a constant that matters when calculating electric fields.
💡 Hint: Refer back to the constant used in formulas.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A charge of +4µC is placed 1.5m away from a point. Calculate the electric field strength at that point.
💡 Hint: Don't forget to square the distance.
You have two charges, +5µC and -3µC, separated by 2m. How does the electric field behave between them?
💡 Hint: Visualize how charges attract or repel each other.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.