If a TRIAC used to trigger using a negative gate voltage, in which of the following Quadrants would it be

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. Quadrant 3 and Quadrant 4
  2. Quadrant 1 and Quadrant 2
  3. Quadrant 2 and Quadrant 3
  4. Quadrant 4 and Quadrant 1

Answer (Detailed Solution Below)

Option 3 : Quadrant 2 and Quadrant 3
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Detailed Solution

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Quadrant Operation:

First Quadrant: Positive trigger pulse applied during the positive half cycle

Second Quadrant: Negative trigger pulse applied during the positive half cycle

Third Quadrant: Negative trigger pulse applied during the negative half cycle

Fourth Quadrant: Positive trigger pulse applied during the negative half cycle

F1 U.B M.P 13.08.19 D 1

If a TRIAC used to trigger using a negative gate voltage, it would operate in the second and third quadrant.

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