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Power Electronics

Q1: A single phase semiconverter is feeding a highly inductive load and has freewheeling diode across the load. The waveshapes of output voltage and output current

A are similar

B are not similar

C may be similar or dissimilar

D are similar only if firing angle is zero

ANS:B - are not similar

When freewheeling diode conducts output current exists but output voltage is zero.



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