Question: In synchronized UJT triggering of an SCR voltage <em>Vc</em> across capacitor reaches UJT threshold voltage thrice in each half-cycle so that there are three firing pulses during each half-cycle. The firing angle of the SCR can be controlled:

MCQ: In synchronized UJT triggering of an SCR voltage <em>Vc</em> across capacitor reaches UJT threshold voltage thrice in each half-cycle so that there are three firing pulses during each half-cycle. The firing angle of the SCR can be controlled:

• A. Thrice in each half-cycle
• B. Once in each half-cycle
• C. Twice in each half- cycle
• D. None of the above