Bidirectional semiconductor device is___________?
Correct answer: D. TRIAC
- A. Diode
- B. BJT
- C. SCR
- D. TRIAC
Explanation
A TRIAC conducts in either direction when triggered, unlike a diode or SCR, which are normally unidirectional devices. This bidirectional conduction is why TRIACs are widely used for AC power control.
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