power resistor

功率电阻器

English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.

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  • Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …   Wikipedia

  • Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …   Wikipedia

  • Power over Ethernet — or PoE technology describes a system to transfer electrical power, along with data, to remote devices over standard twisted pair cable in an Ethernet network. This technology is useful for powering IP telephones, wireless LAN access points,… …   Wikipedia

  • Resistor — Para el fenómeno físico, véase Resistencia eléctrica. Resistor Tipo Termoeléctrico Pasivo Principio de …   Wikipedia Español

  • Power attenuator (guitar) — In electric rock guitar, attenuators are used to dissipate some or all of the amplifier s power in the attenuator s built in, mostly resistive dummy load instead of letting that power drive the speaker, in order to silence or reduce the output… …   Wikipedia

  • Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …   Wikipedia

  • Power (physics) — In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts the more wattage, the more power, or what is the …   Wikipedia

  • Power rating — In electrical engineering, the power rating of a device is a guideline set by the manufacturer as a maximum power to be used with that device. This limit is usually set somewhat lower than the level where the device will be damaged, to allow a… …   Wikipedia

  • Bleeder resistor — A bleeder resistor is a resistor placed in parallel with a high voltage supply for the purposes of discharging the energy stored in the power source s filter capacitors or other components that store electrical energy when the equipment is turned …   Wikipedia

  • Pull-up resistor — Pull up resistors are used in electronic logic circuits to ensure that inputs to logic systems settle at expected logic levels if external devices are disconnected. Pull up resistors may also be used at the interface between two different types… …   Wikipedia

  • Nominal power — is a measurement of a mediumwave radio station s output used in the United States. AM broadcasters are licensed by the Federal Communications Commission to operate at a specific nominal power, which may be (and usually is) different from the… …   Wikipedia

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