
1) Electrical circuit
Found on
https://www.crosswordclues.com/clue/ground-loop
[aviation] In aviation, a ground loop is a rapid rotation of a fixed-wing aircraft in the horizontal plane while on the ground. Aerodynamic forces may cause the advancing wing to rise, which may then cause the other wingtip to touch the ground. In severe cases (particularly if the ground surface is soft), the inside wing can dig in, causing...
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http://en.wikipedia.org/wiki/Ground_loop_(aviation)
[electricity] Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. They can also create an electric shock hazard, since ostensibly `grounded` parts of the equipment, which are often accessible to users, are not at ground potential. == Description == A ground loop is a system that connects cir...
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http://en.wikipedia.org/wiki/Ground_loop_(electricity)

• An undesirable feedback condition caused by two or more circuits sharing a common electrical line, usually a grounded conductor. • In a geothermal heat pump system, a series of fluid-filled plastic pipes buried in the shallow ground, or placed in a body of water, near a building. The ...
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http://www.daviddarling.info/encyclopedia/G/AE_ground_loop.html

A double grounding of a line or electronic device at two different 'ground' points of differing voltage.
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http://www.encyclo.co.uk/local/20447

A rapid circular rotation of a model on the ground, usually performed while taxying or during take off Taildragger aircraft are particulalrly suceptible to this as they are sensitive to crosswinds
Found on
http://www.encyclo.co.uk/local/22135

An unintentionally induced feedback loop or crosstalk caused by two or more circuits sharing a common electrical ground.
Found on
http://www.mpoweruk.com/glossary.htm

This is a condition that occurs when two or more paths to ground exist and an unequal voltage is induced in each of the paths causing buzz, hum or other noise.
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http://www.songstuff.com/glossary/G

See Earth Loop
Found on
http://www.vutrax.co.uk/glossary.htm

[
n] - a sharp uncontrollable turn made by an airplane while moving along the ground
Found on
http://www.webdictionary.co.uk/definition.php?query=ground%20loop

(Also known as an Earth Loop) An unwanted interference in the copper electrical signal transmissions with shielded cable, which is a result of ground currents when the system has more than one ground point. For example, in CCTV, when we have a different earthing resistance at the camera end to that at the switcher or monitor end. It must NEVER be c...
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http://www.zoo.co.uk/~z0001325/Glossary.html

An alternative path in which voltage can travel. Ground loops can produce measurement errors. See also: Grounding.
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https://www.encyclo.co.uk/local/20687
noun a sharp uncontrollable turn made by an airplane while moving along the ground
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https://www.encyclo.co.uk/local/20974

Usually defined as a rapid rotation of a fixed-wing aircraft in the horizontal plane while on the ground. In powered aircraft, the ground loop phenomenon is predominantly associated with aircraft that have conventional landing gear and is typically blamed on the center of gravity being positioned behind the main wheels.
Found on
https://www.encyclo.co.uk/local/22323

The term given to the condition that occurs when a voltage potential exists between two separate gro
Found on
https://www.encyclo.co.uk/local/22369

In geothermal heat pump systems, a series of fluid-filled plastic pipes buried in the shallow ground, or placed in a body of water, near a building. The fluid within the pipes is used to transfer heat between the building and the shallow ground (or water) in order to heat and cool the building.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.