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Second order harmonic distortion is __________

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Second order harmonic distortion is __________

(a) Amount of second harmonics and first harmonics in signal

(b) Amount of second harmonics and fourth harmonics in signal

(c) Amount of second harmonics present in signal

(d) RMS value of all even harmonics in signal

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Query is from Distortion in Amplifier topic in portion Power Amplifier of Analog Circuits

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Right answer is (c) Amount of second harmonics present in signal

Easiest explanation: Second harmonic distortion is the amount of second harmonic signal present in signal. It is important since second harmonic is most troublesome among other harmonics.

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