Ground Loop

The term ground loop has more than one meaning:In electrical engineering and electronics, a ground loop refers to an unwanted current that flows in a conductor connecting two points that are supposed to be at the same potential, for example ground potential, but are actually at different potentials.In aviation circles, the term ground loop refers to the rapid circular rotation of an aircraft in the horizontal plane while on the ground. Ground loops are common with taildraggers, as the center of gravity is behind the main undercarriage.
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Noun
1. a sharp uncontrollable turn made by an airplane while moving along the ground
(hypernym) mishap, misadventure, mischance

In an electrical system, an unwanted current that flows in a conductor connecting two points that are nominally at the same potential, i.e., ground, but are actually at different potentials. Note 1: For example, the electrical potential at different points on the surface of the Earth can vary by hundreds of volts, primarily from the influence of the solar wind. Such an occurrence can be hazardous, e.g., to personnel working on long grounded conductors such as metallic telecommunications cable pairs. Note 2: A ground loop can also exist in a floating ground system, i.e., one not connected to an Earth ground, if the conductors that constitute the ground system have a relatively high resistance, or have, flowing through them, high currents that produce a significant voltage ("I•R") drop. Note 3: Ground loops can be detrimental to the operation of the electrical system. Contrast with ground current.

Eng: ground loop
Urdu: فوری گَردِش ۔ کِسی جہاز کی اُڑان یا اُتَرتے وقت کی روک سے بَچنے کے لیے یا بے قابو ہونے کے باعث فوری طور پَر ہونے والی گَردِش ۔