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fall time constant

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  • Time constant — In physics and engineering, the time constant usually denoted by the Greek letter au , (tau), characterizes the frequency response of a first order, linear time invariant (LTI) system. Examples include electrical RC circuits and RL circuits. It… …   Wikipedia

  • time constant — noun 1. (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude • Topics: ↑electronics • Hypernyms: ↑time interval, ↑interval • Hyponyms: ↑ …   Useful english dictionary

  • time constant — Elect. the time required for a changing quantity in a circuit, as voltage or current, to rise or fall approximately 0.632 of the difference between its old and new value after an impulse has been applied that induces such a change: equal in… …   Universalium

  • Free-fall time — The free fall time is the characteristic time that would take a body to collapse under its own gravitational attraction, if no other forces existed to oppose the collapse. As such, it plays a fundamental role in setting the timescale for a wide… …   Wikipedia

  • Constant Tonegaru — Constant (Constantin) Tonegaru Born February 26, 1919(1919 02 26) Galaţi Died February 10, 1952(1952 02 10) (aged 32) Bucharest Occupation poet, journalist, activist, civil servant …   Wikipedia

  • Time dilation — This article is about a concept in physics. For the concept in sociology, see time displacement. In the theory of relativity, time dilation is an observed difference of elapsed time between two events as measured by observers either moving… …   Wikipedia

  • Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …   Wikipedia

  • Time travel — This article details time travel itself. For other uses, see Time Traveler. Time travel is the concept of moving between different moments in time in a manner analogous to moving between different points in space, either sending objects (or in… …   Wikipedia

  • Fall of the Ottoman Empire — issues cleanup=Sep 2008 refimprove=Sep 2008 wikify=Sep 2008 Republic of Turkey (superimposed upon modern borders). Some scholars argue the power of the Caliphate began waning by 1683, and without the acquisition of significant new wealth the… …   Wikipedia

  • time perception — Introduction       experience or awareness of the passage of time.       The human experience of change is complex. One primary element clearly is that of a succession of events, but distinguishable events are separated by more or less lengthy… …   Universalium

  • fall — 1 verb, past tense fell past participle fallen 1 MOVE DOWNWARDS (I) to move downwards from a higher position to a lower position: The rain had started falling again. (+out of/from/on): Wyatt fell from a second floor window. (+down): I m always… …   Longman dictionary of contemporary English

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