angle of lag

American  

noun

Physics, Electricity.

1. the phase difference, expressed in degrees, by which one sinusoidal function moves behind a second having the same period, as alternating current moving behind the alternating voltage.

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Example Sentences

The quantity pL is called the “reactance” of the alternating circuit, and it is therefore obvious that the current in such a circuit lags behind the electromotive force by an angle, called the angle of lag, the tangent of which is pL/R. Fig.

From Project Gutenberg