A voltage source Vs = Vm sinωt is connected in series with a resistance R and an SCR.
At some firing angle delay of α a positive gate pulse is applied to the SCR which turns on the SCR.
Considering ideal conditions, at the instant α the voltage at the resistor terminals Vo
A. falls to zero
B. falls to –Vm sin α
C. rises to Vm sin α
D. rises to Vm sin ωt
Show Answer
Answer: C
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