time constant Meaning of "time constant"

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Definition(s):

  1. (n) (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
  2. (n) the ratio of the inductance of a circuit in henries to its resistance in ohms

Usage(s):

  • On another project, two students chose to study the "time constant for cooling a bottle of Coca-Cola in ice water.
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incendiary
/ɪn ˈsɛn di ɛ ri /