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.

1.

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

2.

The forward junction potential for a silicon junction is:

3.

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

4.

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

5.

The formula for the small signal current gain of a bipolar transistor is given by:

6.

When testing the resistance of a junction in a silicon bipolar transistor, the expected junction resistance, when forward biased will be approximately:

7.

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

8.

The number of valence electrons in a silicon atom is:

9.

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

10.

When identifying the connections on a large power transistor, a useful tip to remember is:

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