Transistors: BJTs, FETs, and MOSFETs MCQs

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1. A Bipolar Junction Transistor (BJT) is made up of how many layers of semiconductor material?





2. In a BJT, the region between the base and emitter is called the:





3. In a BJT, the current that flows from the collector to the emitter is called the:





4. In an NPN transistor, current flows from the:





5. Which of the following is true for a transistor in active mode?





6. A Field Effect Transistor (FET) controls current flow by:





7. Which of the following is true for a FET?





8. The three terminals of a FET are:





9. In a FET, the current between the drain and source is controlled by:





10. Which of the following FETs is primarily used for low-power and high-speed switching applications?





11. MOSFETs are widely used in:





12. Which of the following is the main characteristic of a MOSFET?





13. In an N-channel MOSFET, the current flows from the:





14. The major advantage of MOSFETs over BJTs is:





15. Which of the following is true for a P-channel MOSFET?





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