Radio Amateur Quiz Canadian License

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Question A-002-005-003

Under what operating condition does a silicon controlled rectifier (SCR) exhibit electrical characteristics similar to a forward-biased silicon rectifier?

Correct Answer

When it is gated ""on""

Explanation

When a positive pulse is applied to the gate (while the anode is positive relative to the cathode), the SCR turns ON and conducts like a forward-biased silicon rectifier.

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