An SCR behaves as a____________switch?
Correct answer: A. Unidirectional
- A. Unidirectional
- B. Bidirectional
- C. Mechanical
- D. None of the above
Explanation
An SCR permits controlled current flow mainly in one direction, from anode to cathode, so it behaves as a unidirectional switch. A TRIAC, unlike an SCR, is bidirectional.
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