time constant

time con·stant

T t

Definitions of time constant words

noun time constant 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 seconds to the inductance of the circuit in henries divided by its resistance in ohms. 1
noun time constant the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude 0

before 1890

One of the 20% newest English words

First recorded in 1890-95

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exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 27% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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