Electronic Devices-PNPN Question and Answer
Electronic Devices-PNPN Question and Answer
21. Which of the following is (are) the advantages of the SCS over a corresponding SCR?
- Reduced turn-off time
- Increased control and triggering sensitivity
- More predictable firing situation
- All of the above
22. Which of the following transistors is an SCR composed of?
- npn, pnp
- npn, npn
- pnp, pnp
- None of the above
23. Which of the following transistors is an SCR composed of?
- npn, pnp
- npn, npn
- pnp, pnp
- None of the above
24. How many layers of semiconductor materials does a silicon-controlled rectifier (SCR) have?
- 2
- 3
- 4
- 5