When transistors are used in digital circuits they usually operate in the:
Correct answer: B. Saturation and cutoff regions
- A. Breakdown region
- B. Saturation and cutoff regions
- C. discrete region
- D. Linear region
Explanation
We can use the transistor in the digital circuits to obtain switching operation. The current flow needs to be controlled in the digital circuits for better performance and desirable output. We can stop the current flow by switching off mode and flow the current by the switch on mode. For the switch on mode, the transistor must be in saturation region so that the efficient flow of current through the digital circuit can be achieved and for the switch off mode, the transistor must be in the cut off region, so that flow of current can be stopped in the digital circuits.Therefore, when transistors are used in digital circuits, they usually operate in saturation and cut off regions and option (B) is correct
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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