Practice - Summary of Key Equations for Electric and Magnetic 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
What is Coulomb's law?
💡 Hint: Remember the formula includes the gravitational constant and the nature of the charge.
What affects the strength of the electric field?
💡 Hint: Think about how distance plays a role in the electric field's influence.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the electric field represent?
💡 Hint: Consider what happens to a charge placed in an electric field.
True or False: The Lorentz force does work on a charged particle.
💡 Hint: Think about the nature of work done in physics.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Calculate the electric field at a point 2 meters from a point charge of +5 μC, and describe its direction.
💡 Hint: Use the formula and remember the direction is dictated by the sign of the charge.
A charge is moving in a uniform magnetic field. If the charge's velocity is doubled, how does the magnetic force change?
💡 Hint: Consider the direct relationship of force to velocity in the equation.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.