Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 related to the topic.
Question 1
Easy
What does the displacement current represent?
💡 Hint: Think of the electric field's role in creating a magnetic field.
Question 2
Easy
Name three types of electromagnetic waves.
💡 Hint: Recall the parts of the electromagnetic spectrum.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What did Maxwell introduce to address inconsistencies in Ampere's Law?
- Electric Current
- Displacement Current
- Total Current
💡 Hint: Think about what was missing from the original equation.
Question 2
True or False: Electromagnetic waves can travel through a vacuum.
- True
- False
💡 Hint: Consider how light travels from the sun to Earth.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A capacitor has a charging current of 1 A and its area is 0.01 m². Calculate the displacement current and the resulting magnetic field at a point 0.1 m away from the capacitor plates.
💡 Hint: Don't forget to calculate the electric field first and use the appropriate permeability.
Question 2
A wave in free space has a frequency of 1 GHz. Calculate its wavelength and the corresponding energy of a photon at that frequency.
💡 Hint: Use the formulas you know and pay attention to units.
Challenge and get performance evaluation