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After making contact, the plate in contact with the Earth then has the same potential as the Earth. But no charges flow because there's not a complete circuit, and because the charges on either plate are attracting each other and holding them to the inside plate surfaces. The capacitor is still a net neutral object (as it the Earth).
The Earth-ionosphere (EIC) capacitor concept is widely known and has been used in atmospheric electricity for a long time. The EIC model cannot adequately account for key observations in atmospheric electricity; therefore it is inapplicable.
The figure is not drawn to scale, the 100 km thick layer of atmosphere has been greatly magnified. Point 1 Together, the earth's surface and the ionosophere resemble a charged spherical capacitor, i.e. two oppositely charged conducting electrodes with an insulator in between. The ground is normally negatively charged during fair weather.
The capacitor is still a net neutral object (as it the Earth). Not much happens. Before making contact the capacitor is a net neutral object (even if the charges inside are separated to some degree). After making contact, the plate in contact with the Earth then has the same potential as the Earth.
A simplified scheme of the Earth-ionosphere spherical capacitor. The capacitor shells are separated in altitude by h ≈ 70 km, with the upper shell coinciding with the bottom of the conducting D region ionosphere.
The EAC is an uncommon spherical electrostatic capacitor which has as inner plate the conducting Earth surface charged at – Q, and as outer plate a height-extended spherical air-shell that has a total space charge + Q distributed non-uniformly across the air-cell, while at the same time this air-cell acts also as a leaky dielectric.
Real-World Implementations Across Diverse Sectors
That is a "self-repairing" capacitor. If the current is strong or the insulator weak, current will pass between the conducting plates, either steadily or in bursts. This is called a "leaky capacitor." Power transmission lines form large-scale …
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Get Price >>Abstract page for arXiv paper 2501.03174: A Parallel-plate Capacitor-Effect in Earth''s Dayside Ionosphere During the 23 April 2023 geospace storm, we observed chorus …
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