# If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered _____ ? with Answer - Electrical Engineering Mcqs | TestPrep

> Solved MCQ: If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered _____ ? Correct Answer: B. 60 degree after the zero crossing of the corresponding line voltages. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered _____ ?

Direct Answer & Quick Reference

The correct option is **B. 60 degree after the zero crossing of the corresponding line voltages**.

A. 120 degree after the zero crossing of the corresponding line voltages

B. 60 degree after the zero crossing of the corresponding line voltages **(Correct Answer)**

C. 120 degree before the zero crossing of the corresponding line voltages

D. 60 degree before the zero crossing of the corresponding line voltages

✨ Explain with AI

Verified Key: B. 60 degree after the zero crossing of the corresponding line voltages
Solved by 2,360+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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