For the following RC triggering circuit with R load and a firing angle of α, the voltage across the R load is zero for

For the following RC triggering circuit with R load and a firing angle of α, the voltage across the R load is zero for Correct Answer ωt = 0 to α and ωt = π to 2π+α

The SCR is triggered at α therefore voltage appears across the load from ωt = α to π only as in case of a half wave firing circuit the SCR is naturally commuted at π.
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