8.5 - SUMMARY
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Practice Questions
Test your understanding with targeted questions
What does the displacement current represent?
💡 Hint: Think of the electric field's role in creating a magnetic field.
Name three types of electromagnetic waves.
💡 Hint: Recall the parts of the electromagnetic spectrum.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What did Maxwell introduce to address inconsistencies in Ampere's Law?
💡 Hint: Think about what was missing from the original equation.
True or False: Electromagnetic waves can travel through a vacuum.
💡 Hint: Consider how light travels from the sun to Earth.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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