1.

A voltage source Vs = Vm sin t is connected in series with a resistance R and an SCR. At some firing angle delay of a positive gate pulse is applied to the SCR which turns on the SCR. Considering ideal conditions, at the instant the voltage at the resistor terminals Vo

A. falls to zero
B. falls to Vm sin
C. rises to Vm sin
D. rises to Vm sin t
Answer» D. rises to Vm sin t


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