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Thermal insulation (redirect from Thermal insulator)place severe mechanical stresses on spacecraft, so the strength of an insulator is critically important (as seen by the failure of insulating tiles on...15 KB (1,781 words) - 01:11, 23 March 2024
discharge. Corona rings are used on very high voltage power transmission insulators and switchgear, and on scientific research apparatus that generates high...8 KB (934 words) - 15:32, 26 May 2024
MOSFET (redirect from Metal-Insulator-Semiconductor Field-Effect Transistor)semiconductor-insulator interface. The inversion layer provides a channel through which current can pass between source and drain terminals. Varying the...93 KB (11,345 words) - 14:23, 1 June 2024
conductor immersed in a homogeneous insulator like air or oil, breakdown usually starts at these points. In a solid insulator, breakdown often starts at a local...21 KB (2,923 words) - 00:35, 16 April 2024
Field-effect transistor (section More about terminals)although its electron transport depends on the gate's insulator or quality of oxide if used as an insulator, deposited above the inversion layer. Bardeen's...49 KB (5,968 words) - 03:19, 12 May 2024- conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass. Its resistivity generally falls as its temperature rises;...46 KB (5,377 words) - 04:54, 29 April 2024
Voltage (redirect from Terminal potential difference)device can be understood as the difference between measurements at each terminal of the device with respect to a common reference point (or ground). The...25 KB (2,909 words) - 07:12, 27 April 2024
Point-to-point construction (redirect from Terminal strip)synthetic-resin bonded paper (FR-2), or bakelite reinforced with cotton. The insulator has an integral mounting bracket, sometimes electrically connected to...13 KB (1,784 words) - 01:45, 1 March 2024- good insulator, but its resistivity is sensitively dependent on moisture content, with damp wood being a factor of at least 1010 worse insulator than...75 KB (7,945 words) - 06:26, 8 June 2024
Overhead power line (section Insulators)increased use of such insulators. Insulators for very high voltages, exceeding 200 kV, may have grading rings installed at their terminals. This improves the...36 KB (4,660 words) - 15:01, 10 June 2024
Electrical connector (redirect from Electrical terminal)connectors essentially consist of two classes of materials: conductors and insulators. Properties important to conductor materials are contact resistance, conductivity...43 KB (4,714 words) - 07:50, 1 April 2024
a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. An old name for...47 KB (5,461 words) - 01:57, 28 May 2024
large part on the material it is made of. Objects made of electrical insulators like rubber tend to have very high resistance and low conductance, while...34 KB (3,864 words) - 11:03, 3 June 2024
Heating element (section Insulator)resistance heater is encased in the insulator. In this framework the heater can only transfer heat via conduction to the insulator. Supported heating elements...30 KB (3,652 words) - 18:02, 26 April 2024
Transmission tower (section Insulators)and Scandinavia in some cases) and the insulators are either glass or porcelain discs or composite insulators using silicone rubber or EPDM rubber material...56 KB (4,989 words) - 12:25, 29 May 2024
plug are the shell, insulator, central electrode and side electrode (also known as "ground strap"). The main part of the insulator is typically made from...15 KB (1,637 words) - 17:26, 8 June 2024
of an insulator as left-hand layer and a semiconductor as right-hand layer. An example of such a structure is the MOS capacitor, a two-terminal structure...7 KB (985 words) - 01:47, 7 January 2023
Another type of tunnel diode is a metal-insulator-insulator-metal (MIIM) diode, where an additional insulator layer allows "step tunneling" for more precise...14 KB (1,472 words) - 06:23, 17 April 2024- near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to...8 KB (618 words) - 07:17, 12 April 2024
induction. After discharging a high voltage point to the surface of an insulator, he recorded the resulting radial patterns by sprinkling various powdered...21 KB (2,417 words) - 21:15, 11 March 2024
- dependent on the ratio of the voltage applied to the terminals of the high resistance or insulator and the current passing through it. This, however, is
- that under certain conditions the atmosphere, which is normally a high insulator, assumes conducting properties, and so becomes capable of conveying any
- BEHAVIOUR" A semiconductor is a material that is neither a conductor nor an insulator - it is somewhere in between. This sounds like a resistor, and indeed