Time constant

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A characteristic of an exponential function, represented by τ in the function

    "y(t)=y_oe."

  2. 2
    the ratio of the inductance of a circuit in henries to its resistance in ohms wordnet
  3. 3
    The time in which a physical system's response to a step-wise change in an external variable reaches approximately 63% of its final (asymptotic) value.
  4. 4
    (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 wordnet
  5. 5
    For radioactivity: the decay constant.