electromagnetic-waves Question 14
Question: Q. 1. How does Ampere-Maxwell law explain the flow of current through a capacitor when it is being charged by a battery? Write the expression for the displacement current in terms of the rate of change of electric flux.
U] [Delhi I, II, III 2017]
Show Answer
Solution:
Ans. Explanation of flow of current through capacitor1 Expression for displacement current. 1 During charging, electric flux between the plates of capacitor keeps on changing; this results in the production of a displacement current between the plates.
[CBSE Marking Scheme, 2017]
AI Q. 2. How is electromagnetic wave produced ? Draw a sketch of a plane EM wave propagating along
U [Delhi Comptt. I, II, III 2017] Ans. Production of EM waves. 1 Diagram depicting the oscillating electric and magnetic fields.
Electromagnetic waves are produced due to oscillating/accelerating charged particles.
1
[CBSE Marking Scheme 2017]
Detailed Answer :
(i) Production of EM wave :
Electromagnetic waves consist of both electric and magnetic fields travelling through empty space with the speed of light
(ii) Diagram : Try yourself, Similar to Q. 3, Very Short Answer Type Questions.
