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 - Study24x7
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Karan Singh
28 Apr 2023 02:52 PM study24x7 study24x7

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

IIT-JEE Sciences
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