MOS Transistor Theory — MCQs – EE

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1. The term MOS in MOS transistor stands for:



2. The MOSFET is a type of:



3. The gate terminal of a MOSFET is insulated from the channel by a thin layer of:



4. The two main types of MOSFETs are:



5. In an n-channel enhancement MOSFET, the channel is formed when:



6. The source and drain regions of a MOSFET are typically:



7. The substrate of an n-channel MOSFET is usually:



8. The controlling terminal of a MOSFET is the:



9. The current in a MOSFET flows between:



10. The thin oxide layer in MOSFET acts as a:



11. The operation of a MOSFET depends mainly on:



12. The MOSFET is often preferred over BJT because it:



13. The region of MOSFET operation where it acts as an amplifier is called:



14. The cutoff region of a MOSFET means:



15. The linear region of a MOSFET is also known as the:



16. The voltage required to form a channel in a MOSFET is called:



17. In CMOS technology, both NMOS and PMOS transistors are used to:



18. The gate current in an ideal MOSFET is approximately:



19. The input impedance of a MOSFET is:



20. The output impedance of a MOSFET in saturation region is:



21. In a PMOS transistor, the majority carriers are:



22. In an NMOS transistor, the majority carriers are:



23. Short-channel effects in MOSFETs occur due to:



24. Channel-length modulation in MOSFETs is similar to:



25. The oxide layer thickness in modern MOSFETs is typically in the range of:



26. The drain current in a MOSFET can be controlled by:



27. The body effect in MOSFET refers to:



28. Hot-carrier effect in MOSFETs occurs due to:



29. The subthreshold current flows in a MOSFET when:



30. The main advantage of scaling down MOSFET dimensions is:



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