For the purely resistive circuit, the power factor is 1 (perfect), because the reactive power equals zero.

For the purely resistive circuit, the power factor is 1 (perfect), because the reactive power equals zero.

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The difference between peak positive and peak negative values of an A.C. voltage is called as peak-to-peak value.

The r.m.s value of A.C. is equal to 0.707 of max. value.

For a pure sinusoidal waveform the Form Factor will always be equal to 1.11.