⭐what do you meant by electrostatic shielding?⭐
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Answers
Elecrtrostatic Shielding:-
Electrostatic shielding is the phenomenon that is observed when a Faraday cage operates to block the effects of an electric field. Such a cage can block the effects of an external field on its internal contents, or the effects of an internal field on the outside environment.
Answer:
Electrostatic shielding is the phenomenon that occurs when a Faraday cage blocks the effects of an electric field.
Key Points
Electrostatic shielding is the phenomenon that is observed when a Faraday cage operates to block the effects of an electric field. Such a cage can block the effects of an external field on its internal contents, or the effects of an internal field on the outside environment.
A Faraday cage is a closed chamber consisting of a conducting material or a mesh of such a material. This type of cage can block external static and non-static electric fields.
Faraday cages cannot block static and slowly varying magnetic fields, such as that of the planet Earth. They can, however, shield the interior from external magnetic radiation provided that the mesh is smaller than the wavelength of the radiation and that the shield is sufficiently thick.
Key Terms
wavelength: The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next; it is often designated in physics as
λ
, and corresponds to the velocity of the wave divided by its frequency.
Electrostatic shielding is the phenomenon that is observed when a Faraday cage operates to block the effects of an electric field. Such a cage can block the effects of an external field on its internal contents, or the effects of an internal field on the outside environment.
A Faraday cage is a closed chamber consisting of a conducting material or a mesh of such a material. This type of cage was first invented by Michael Faraday in 1836, and can block external static and non-static electric fields.
When an external electric field operates on a Faraday cage, the charges within the cage (which are mobile, as the cage is a conductor) rearrange themselves to directly counteract the field and thus “shield” the interior of the cage from the external field
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