In a semi converter feeding a ___

In a semi converter feeding a resistive load,

A. the waveshapes of input voltage and input current are always similar
B. the waveshapes of input voltage and input current can never be similar
C. the waveshapes of input voltage and input current are similar only if firing angle is zero
D. the waveshapes of input voltage and input current are similar only if firing angle is high

Show Answer

Answer: C

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