Let me explain. Actually, when we
talk harmonics we talk about a signal that is
multiple of fundamental frequency. As frequency
increases the inductive reactance also increases
as it is given by Xl=2πfl. As harmonic multiples
increase the overall opposition to them also
increases due to reason stated earlier. Harmonics
having frequency multiple close to fundamental
frequency are more dangrous as they get less
inductive reactance to their flow and produce
greater magnitude than higher order hamonics.
Asked by #ameer
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