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The diode in the R firing circuit

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in Power Electronics by (27.1k points)
The diode in the R firing circuit

(a) ensures that the gate voltage is a half wave DC pulse

(b) ensures that the gate voltage is a full wave DC pulse

(c) ensures that the gate voltage is a half wave AC pulse

(d) ensures that the gate voltage is a full wave AC pulse

The question was asked in an online quiz.

This intriguing question comes from Firing Circuits-2 in division Other Circuits of Power Electronics

1 Answer

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by (45.1k points)
Correct answer is (b) ensures that the gate voltage is a full wave DC pulse

Easy explanation: The diode is placed between the resistances and gate which ensures that the current flows in one direction only.

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