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Calculate the value of Crest factor if Vpeak=1.5 V and Vr.m.s=2.5 V.

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Calculate the value of Crest factor if Vpeak=1.5 V and Vr.m.s=2.5 V.

(a) .4

(b) .6

(c) .5

(d) .7

The question was posed to me in class test.

This interesting question is from Solid-State Devices in portion Introduction to Solid-State Devices of Electric Drives

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The correct answer is (b) .6

The best explanation: The value of the crest factor is Vpeak÷Vr.m.s=1.5÷2.5=.6 V. It signifies the peak value is .6 times than the r.m.s value.

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