1. EM Waves complete basics | Maxwell's Equations | Electromagnetic Waves Waves | 12th #cbse #neet
PHYSICS with Umesh Rajoria・24 minutes read
The chapter on Electromagnetic Waves covers various types like radio waves, microwaves, and gamma rays, detailing properties, production, and daily life use. Maxwell's discovery of displacement current explained the interconnection of electricity and magnetism, leading to the production of electromagnetic waves.
Insights
- Maxwell's experiment with a charging capacitor revealed the concept of displacement current, which balances incoming and outgoing currents, satisfying Kirchhoff's current law.
- The discovery of displacement current by Maxwell connected electricity and magnetism, leading to the production of electromagnetic waves and the formulation of Maxwell Equations, which encompass key laws governing electromagnetism.
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Recent questions
What are the different types of electromagnetic waves?
Radio waves, microwaves, infrared waves, light, and gamma rays.
How did Maxwell's experiment with a charging capacitor impact electromagnetic theory?
Revealed failures in Kirchhoff's current law and Ampere's circuital law.
What is the significance of Faraday and Henry's experiments in electromagnetic induction?
Led to laws showing changing magnetic flux induces current.
How does displacement current balance incoming and outgoing currents in a capacitor?
Flows between plates due to a variable electric field.
What are Maxwell Equations and their significance in electromagnetism?
Encompass Gauss's Law, Faraday's Law, and more.
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