Difference between ripple factor vs form factor

This page on ripple factor vs form factor mentions difference between ripple factor formula and form factor formula.

Ripple factor formula

Following ripple factor formula is used to measure purity of DC output of a rectifier.

Ripple Factor = RMS Value of Wave Components/ Average of DC value

Form factor formula

The form factor is defined as the ratio of rms value of an Alternating Current or Voltage to its average value.

Form Factor = RMS Value/Average Value

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