When an ideal capacitor is fully charged by a d.c. battery, the electric field E between the plates of capacitor does not change with time. Therefore, displacement current is zero. when an a.c. source is applied between the plates of ...
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Professor C.V. Raman’s demonstration was based on the radiation pressure exerted by e.m. waves. Tails of coments are due to pressure exerted due to solar radiation. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
A microwave oven heats up a food item containing water molecules efficiently because frequency of waves produced in oven just matches with the frequency of vibrations of water molecules. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
As electromagnetic waves are plane polarised, therefore the receiving antenna of portable radio should be parallel to electric/magnetic part of the wave. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
Yes, the magnitude of displacement current changes [actually decreases] if the frequency of the a.c. source is decreased. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.