Online Google Dictionary

capacitor 中文解釋 wordnet sense Collocation Usage
Noun
/kəˈpasitər/,
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capacitors, plural;
  1. A device used to store an electric charge, consisting of one or more pairs of conductors separated by an insulator


  1. an electrical device characterized by its capacity to store an electric charge
  2. A capacitor (formerly known as condenser) is a passive electronic component consisting of a pair of conductors separated by a dielectric (insulator). ...
  3. An electronic component capable of storing an electric charge; especially one consisting of two conductors separated by a dielectric
  4. (Capacitors) peak voltage (includes the sum of RF and DC voltages, and must take into account VSWR interactions which can double the RF voltage), dissipated power (yes, capacitors dissipate power, here's how to calculate it)
  5. Capacitors store energy and discharge it when needed. Applications include power conversion, DC-linking, frequency conversion, bypass, decoupling, and filtering. ...
  6. A pair of parallel "plates" separated by an insulator (the dielectric). Stores an electric charge, and tends to pass higher frequencies more readily than low frequencies. Does not pass direct current, and acts as an insulator. Electrically it is the opposite to an inductor. ...
  7. An electrical device that adjusts the leading current of an applied alternating current to balance the lag of the circuit to provide a high power factor.
  8. Electronic component which stores energy and then discharges it; blocks DC and allows AC to pass through.
  9. A device that stores electrical charge, using a positively charged surface and a negatively charged surface with a gap between them. The Leyden jar, used by early electrical experimenters (including Benjamin Franklin) was a form of capacitor. ...
  10. A device that stores electrical charges and can be used to maintain voltage levels in power lines and improve electrical-system efficiency.
  11. A device that stores electrostatic energy in a manner similar to the way an inductor stores electromagnetic energy. Often used for filtering or DC blocking.
  12. An electronic device that can store electrical charge. The capacitor is one of the main components of an HID lighting ballast. ...
  13. An electrical device for accumulating and holding a charge of electricity. A capacitor is usually found in an electronic ignition system.
  14. This is a device that helps improve the efficiency of the flow of electricity through distribution lines by reducing energy losses.  It is installed in substations and on poles.  Usually it is installed to correct an unwanted condition in an electrical system
  15. A component in crossover networks. Available at electronic supply stores. Capacitance is denominated in Farads. A cousin of a resistor, but presents a high resistance to low frequencies, and low resistance to high frequencies. Perversely, more capacitance means less resistance.
  16. Also condenser. Can be connected in series or parallel with an inductor to build a resonance oscillating circuit for inductive heating.
  17. A passive component that stores a charge, measured in Farads (F); capacitors resist changes in voltage, and are an essential component in (for example) power supplies for filtering out unwanted ac noise from a dc signal.
  18. A device consisting of two conductive surfaces separated by an insulator. The resistance of a capacitor is indefinite on DC and decreases with rising frequency. When placed in the path of an AC current, the voltage lags behind the current (opposite of a coil).
  19. Electrical component once more commonly known as a condenser. Stores electrical energy supplied by a power source and can discharge it more rapidly than the source itself. ...
  20. [Electrical]: The person designated to drive on a PUB crawl. "Whilst everyone was incapacitated, Homer was the capacitor in his ability to have all arrive safely at the next PUB." [Fishe]
  21. A capacitor is something that holds on to an electrical charge. Condenser microphones take acoustic energy, store it, and release it as electrical energy. (see also capacitor mics)
  22. A device used to store and release electricity, usually as the result of a chemical action. Also referred to as a storage cell, a secondary cell, a condenser or an accumulator. A Leyden Jar was an early example of a capacitor.
  23. A device which can store an electric charge. Permeable to AC, impermeable to DC.
  24. A device used to store electric charge. A capacitor is like a reservoir for electical charge that can be filled and emptied as needed. The amount of charge a capacitor holds is controlled by its "capacitance", measured in Farads. Most capacitors have capacitance of only a few picofarads (0. ...
  25. A device that consists of two conductors (such as parallel metal plates) insulated from each other by a dielectric. A capacitor introduces capacitance (i.e. ...