20 results found for: “zero_g_hose”.

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using an ohmic gate contact (G). JFET operation can be compared to that of a garden hose. The flow of water through a hose can be controlled by squeezing...

Last Update: 2021-03-18T16:02:05Z Word Count : 2279 Synonim JFET

Glossary of firefighting equipment

Contents:  Top A B C D E F G H I J K L M N O P Q R S T U V W Y Z See also Notes References External links Adapter Fitting for connecting hose couplings with dissimilar...

Last Update: 2020-12-25T16:54:01Z Word Count : 9072 Synonim Glossary of firefighting equipment

Spring (device)

relax the spring, much like it happens with water pressure inside a garden hose. Alternatively tubing's cross-section is chosen of a shape that it changes...

Last Update: 2021-04-22T14:50:52Z Word Count : 3219 Synonim Spring (device)

Glossary of firefighting

using tools specialized for entry (e.g., Halligan, K-tool). Forward lay: Procedure of stringing water supply hose from a water source toward a fire scene;...

Last Update: 2021-04-19T17:03:57Z Word Count : 13908 Synonim Glossary of firefighting


International System of Units (SI). The lowest theoretical temperature is absolute zero, at which no more thermal energy can be extracted from a body. Experimentally...

Last Update: 2021-04-22T06:41:09Z Word Count : 12155 Synonim Temperature

Magic angle

supraspinatus tendinitis. To achieve optimal loading in a straight rubber hose the fibres must be positioned under an angle of approximately 54.7 angular...

Last Update: 2021-01-04T22:07:04Z Word Count : 821 Synonim Magic angle

Poisson's ratio

hard to pull a rubber hose (e.g. a coolant hose) off a metal pipe stub, as the tension of pulling causes the diameter of the hose to shrink, gripping the...

Last Update: 2021-03-22T13:35:31Z Word Count : 4707 Synonim Poisson's ratio

Charles's law

gas, T is the temperature of the gas (measured in kelvins), and k is a non-zero constant. This law describes how a gas expands as the temperature increases;...

Last Update: 2021-04-14T22:22:10Z Word Count : 2214 Synonim Charles's law

Tap (valve)

stopcock and petcock) that penetrates a foundation sill. Bib (bibcock, and hose bib or hosebibb), usually a freeze-resistant version of a "spigot". Wall...

Last Update: 2021-04-23T06:17:51Z Word Count : 2146 Synonim Tap (valve)

Suicide methods

or by redirecting a running car's exhaust back inside the cabin with a hose. Motor car exhaust may have contained up to 25% carbon monoxide. However...

Last Update: 2021-04-20T23:26:50Z Word Count : 9893 Synonim Suicide methods


Bibcode:2012JFM...705....7K. doi:10.1017/jfm.2012.122. hdl:1721.1/80405. Zaghini, G.; Biagi, G. (2005). "Nutritional peculiarities and diet palatability in the cat"...

Last Update: 2021-04-23T05:19:04Z Word Count : 14371 Synonim Cat

Cape Town water crisis

for "Day Zero", a shorthand reference for the day when the water level of the major dams supplying the City fell below 13.5 percent. "Day Zero" would herald...

Last Update: 2021-04-16T04:01:22Z Word Count : 7737 Synonim Cape Town water crisis

List of Beavis and Butt-Head episodes

 1995 (1995-10-09) The duo are at a gas station, where Beavis blows air from the air hose up an attractive young woman's dress and is disappointed that it did not...

Last Update: 2021-04-20T16:29:43Z Word Count : 935 Synonim List of Beavis and Butt-Head episodes


worn as part of traditional Scottish dress tucked into the top of the kilt hose with only the upper portion of the hilt visible. The sgian-dubh is normally...

Last Update: 2021-03-31T22:31:24Z Word Count : 1575 Synonim Sgian-dubh

Ariana Grande

Raton, Florida. She is the daughter of Joan Grande, the Brooklyn-born CEO of Hose-McCann Communications, a manufacturer of communications and safety equipment...

Last Update: 2021-04-23T14:56:58Z Word Count : 17411 Synonim Ariana Grande

Load cell

pressure is then transmitted to a hydraulic pressure gauge via a high pressure hose. The gauge's Bourdon tube senses the pressure and registers it on the dial...

Last Update: 2021-03-17T18:29:11Z Word Count : 3356 Synonim Load cell

Waco siege

to have been doused inside his cell with cold water from a high-pressure hose, after which an industrial fan was placed outside the cell, blasting him...

Last Update: 2021-04-22T16:46:43Z Word Count : 18156 Synonim Waco siege

Density meter

the principle of gravity to calculate the density of a sample. A flexible hose is used to determine the change in weight. Using the principle of beam deflection...

Last Update: 2021-03-29T15:16:03Z Word Count : 1504 Synonim Density meter

2001: A Space Odyssey (film)

replace the antenna unit, HAL takes control of his pod, severs Poole's oxygen hose, and sets him adrift. Bowman takes another pod to rescue Poole; while he...

Last Update: 2021-04-15T20:05:32Z Word Count : 17292 Synonim 2001: A Space Odyssey (film)


will see two or three firefighters holding the hose). The hose is acting like a rocket engine. The hose is throwing water in one direction, and the firefighters...

Last Update: 2021-04-11T02:11:55Z Word Count : 10242 Synonim Rocket

Main result


The junction-gate field-effect transistor (JFET) is one of the simplest types of field-effect transistor. JFETs are three-terminal semiconductor devices that can be used as electronically controlled switches or resistors, or to build amplifiers. Unlike bipolar junction transistors, JFETs are exclusively voltage-controlled in that they do not need a biasing current. Electric charge flows through a semiconducting channel between source and drain terminals. By applying a reverse bias voltage to a gate terminal, the channel is "pinched", so that the electric current is impeded or switched off completely. A JFET is usually "on" when there is no voltage between its gate and source terminals. If a potential difference of the proper polarity is applied between its gate and source terminals, the JFET will be more resistive to current flow, which means less current would flow in the channel between the source and drain terminals. JFETs are sometimes referred to as depletion-mode devices, as they rely on the principle of a depletion region, which is devoid of majority charge carriers. The depletion region has to be closed to enable current to flow. JFETs can have an n-type or p-type channel. In the n-type, if the voltage applied to the gate is negative with respect to the source, the current will be reduced (similarly in the p-type, if the voltage applied to the gate is positive with respect to the source). A JFET has a large input impedance (sometimes on the order of 1010 ohms), which means that it has a negligible effect on external components or circuits connected to its gate.

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