CLASS 12 ASSIGNMENT 6 ELECTROMAGNETIC WAVES
CLASS 12 ASSIGNMENT 6 ELECTROMAGNETIC WAVES 1. What is displacement current? 2. State the important consequences of displacement current. 3. Discuss the inconsistency in Ampere's circuital law. What modification was made by Maxwell in this law? 4. What is displacement current due to? 5. Is the steady electric current the only source of magnetic field? Justify your answer. 6. Distinguish between displacement current and conduction current. 7. Write down Maxwell's equations for steady electric field. 8. Write down Maxwell's equations for steady magnetic field. 9. What are electromagnetic waves? 10. Do electromagnetic waves carry energy and momentum? 11. Name the basic source of electromagnetic waves. 12. The charging current for a capacitor is 0.25 A. What is the displacement current across its plates? 13. Give an example to show how e.m. waves carry energy and momentum. 14. How are electromagnetic waves produced? 15. Show that e.m. waves ar...