# Electronics - Bipolar Junction Transistors (BJT)

## Why Electronics Bipolar Junction Transistors (BJT)?

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## How to solve Electronics Bipolar Junction Transistors (BJT) problems?

You can easily solve all kind of Electronics questions based on Bipolar Junction Transistors (BJT) by practicing the objective type exercises given below, also get shortcut methods to solve Electronics Bipolar Junction Transistors (BJT) problems.

### Exercise :: Bipolar Junction Transistors (BJT) - General Questions

1.

When transistors are used in digital circuits they usually operate in the:

 A. active region B. breakdown region C. saturation and cutoff regions D. linear region

Explanation:

No answer description available for this question. Let us discuss.

2.

Three different Q points are shown on a dc load line. The upper Q point represents the:

 A. minimum current gain B. intermediate current gain C. maximum current gain D. cutoff point

Explanation:

No answer description available for this question. Let us discuss.

3.

A transistor has a of 250 and a base current, IB, of 20 A. The collector current, IC, equals:

 A. 500 A B. 5 mA C. 50 mA D. 5 A

Explanation:

No answer description available for this question. Let us discuss.

4.

A current ratio of IC/IE is usually less than one and is called:

 A. beta B. theta C. alpha D. omega

Explanation:

No answer description available for this question. Let us discuss.

5.

With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be:

 A. open B. infinite C. low resistance D. high resistance