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An earthdog test or earthdog trial tests the working ability and instinct of the small, often short-legged terriers or Dachshunds. [1][2][3] These dogs were bred to hunt vermin and other quarry which lived in underground dens. Earthdog den tests involve human-made tunnels that the dogs must navigate, while scenting a rat, "the quarry".
Ground loop (electricity) In an electrical system, a ground loop or earth loop occurs when two points of a circuit are intended to have the same ground reference potential but instead have a different potential between them. [1] This is typically caused when enough current is flowing in the connection between the two ground points to produce a ...
This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.
In electronics and radio communication, a counterpoise is a network of suspended horizontal wires or cables (or a metal screen), used as a substitute for an earth (ground) connection in a radio antenna system. It is used with radio transmitters or receivers when a normal earth ground cannot be used because of high soil resistance [1] or when an ...
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Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art. The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason". The website was brought down for several months by ...
The Sign and Foster Test Drive program soft-launched on May 1. Originally, only dogs over 40 pounds could be test-drive fosters. As of May 15, any adoptable dog can participate in the program ...
Murray loop bridge. Murray loop test employs the principle of wheatstone bridge for locating the fault. To perform this test, it is necessary to have a sound cable running alongside the faulty cable. One end of the faulted cable is connected through a pair of resistors to the voltage source. Also a null detector is connected. The other end of ...