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Power Electronics - Engineering

Q1:

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

ANS:C - the waveshapes of input voltage and input current are similar only if firing angle is zero

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