Power Electronics Mcqs

Q.  In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output

a. Zero
b. Switches between – 1 / 2 and + 1 / 2
c. Switches between – 1 and + 1
d. Switches between 0 and + 1


ANSWER: See Answer
 
No explanation is available for this question!
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