The Primary Difference Between the Triac Phase Controller and the SCR

question 30

Multiple Choice

The primary difference between the triac phase controller and the SCR phase controller is the fact that the triac circuit

• A) requires a higher turn-on voltage.
• B) allows conduction through the load during both alternations of the input cycle.
• C) requires an added UJT to operate properly.
• D) allows for higher load power ratings.

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