Answer Posted / anusha

In mathematics, the root mean square (abbreviated RMS or
rms), also known as the quadratic mean, is a statistical
measure of the magnitude of a varying quantity. It is
especially useful when variates are positive and negative,
e.g., sinusoids.

It can be calculated for a series of discrete values or for
a continuously varying function. The name comes from the
fact that it is the square root of the mean of the squares
of the values. It is a special case of the power mean with
the exponent p = 2.

Define delay time.

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