In single pulse modulation of PWM inverters, third harmonic can be eliminated if pulse width is

In single pulse modulation of PWM inverters, third harmonic can be eliminated if pulse width is equal to 

 (a) 30o (b) 60o (c) 120o (d) 150o

by

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Answer :

In single pulse modulation of PWM inverters, third harmonic can be eliminated if pulse width is equal to 120o

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