Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an electric field?
π‘ Hint: Remember the source of the force.
Question 2
Easy
Who discovered that electric current affects magnets?
π‘ Hint: Think of the experiment with the compass.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the Lorentz force describe?
π‘ Hint: Consider both types of fields.
Question 2
Are magnetic field lines closed loops?
π‘ Hint: Think of how they connect back.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Two parallel wires carry currents of 5 A and 10 A respectively. Calculate the force per unit length between the two wires if they are 0.1 m apart.
π‘ Hint: Make sure to convert units where necessary.
Question 2
Explain qualitatively why the Lorentz force can cause charged particles to move in circular paths in magnetic fields.
π‘ Hint: Connect to your knowledge about centripetal forces in mechanics.
Challenge and get performance evaluation