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(current polarity)

См. также в других словарях:

  • Polarity therapy — is a holistic health system developed by Randolph Stone. Proponents believe that healing can be achieved through manipulation of what they describe as complementary (or polarized ) forces, and the term Stone borrowed from Chinese philosophy to… …   Wikipedia

  • Polarity symbols — Many electrical devices use direct current (DC) power, often provided by a AC (alternating current) to DC adapter, also known as a wall wart. The polarity of the adapter cord must match the polarity of the device, meaning that the positive… …   Wikipedia

  • Current loop — This article is about the electrical signaling schemes. For the oceanic phenomenon, see Loop current. A current loop describes two different electrical signalling schemes. Contents 1 Digital 2 Analog 3 Process control use …   Wikipedia

  • polarity — [1] Indicates if the pole shoes are so magnetized as to make current low in a direction compatible with the direction of flow as set by the battery. [2] Indicates if the end of a magnet is the North or South pole (N or S). [3] Indicates if the… …   Dictionary of automotive terms

  • List of current systems for electric rail traction — This a list of the power supply systems that are, or have been, used for tramway and railway electrification systems. Note that the voltages are nominal and vary depending on load and distance from the substation. Many modern trams and trains use …   Wikipedia

  • High-voltage direct current — HVDC or high voltage, direct current electric power transmission systems contrast with the more common alternating current systems as a means for the bulk transmission of electrical power. The modern form of HVDC transmission uses technology… …   Wikipedia

  • Direct current — (red curve). The horizontal axis measures time; the vertical, current or voltage. Direct current (DC) is the unidirectional flow of electric charge. Direct current is produced by such sources as batteries, thermocouples, solar cells, and… …   Wikipedia

  • Heliospheric current sheet — The heliospheric current sheet (HCS) is the surface within the Solar System where the polarity of the Sun s magnetic field changes from north to south. This field extends throughout the Sun s equatorial plane in the heliosphere. [ [http://science …   Wikipedia

  • Electrical polarity — (positive and negative) is present in every electrical circuit. Electrons flow from the negative pole to the positive pole. In a direct current (DC) circuit, one pole is always negative, the other pole is always positive and the electrons flow in …   Wikipedia

  • Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …   Wikipedia

  • Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …   Wikipedia

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