Learnabout Electronics

- Bipolar Junction Transitors (BJTs)

Module 3.7

Bipolar Junction Transistor Quiz

Try this quiz based on bipolar transistors. Hopefully it'll be easy. Submit your answers but don't be disappointed if you get answers wrong. All the information you need is on this website. Find the right answer and learn about transistors as you go.


In a BJT, why is a thin layer of high resistivity semiconductor included between the base and collector regions?


The forward junction potential for a silicon junction is:


Refer to Fig. 3.7.1. What do the graphs shown illustrate?Fig. 3.7.1


For a NPN silicon bipolar transistor, which of the following statements is true?


How many individual transistors will be fabricated on an integrated circuit termed a MSI device?


Fig. 3.7.2 illustrates a typical construction for a silicon planar NPN transistor. What is the function of the layer marked XFig. 3.7.2


The voltage gain of a bipolar transistor used in Common Collector (emitter follower) mode will be:


The number of valence electrons in a silicon atom is:


To increase the number of free electrons in silicon for use in transistors, manufacturers add small amounts of:


What would be a typical output impedance of a bipolar transistor connected in Common Base mode?

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