will help you test your knowledge of diodes and transistors, including types, construction, operation, applications, biasing, etc, with this online multiple choice quiz. See how well you understand the basics of these electronic components. Twenty (20) MCQ questions from our test bank will be randomly shown for every attempt. Passing mark for this test is 70%.

Objectives: To provide an online multiple choice quiz to test the reader’s knowledge of diodes and transistors.

Welcome to  Diodes and Transistors. The quiz will randomly run 20 questions from Diodes and Transistors which you have to answer in 10 minutes.

After 10 minutes, your quiz will automatically be submitted and scored.

You can retake the quiz as many times as you want and a different set of questions will be given. The answers will also be randomly arrange.

Please click START QUIZ  to start

If a low level signal is placed at the input to a transistor, a higher level of signal is produced at the output lead. This effect is know as:

Bipolar transistors usually have:

JFET is a

If you wish to reduce the current flowing in a field effect transistor, you could:

The approximate voltage across the forward-biased base emitter junction of a silicon BJT is

When the rms output voltage of a bridge full wave rectifier is 20 V, the peak inverse voltage across the diodes is (neglecting the diode drop)

A transistor can be destroyed in a circuit by:

Compared to bipolar transistor, a JFET has

For a certain 12 V zener diode, a 10 mA change in zener current produces a 0.1 V change in zener voltage. The zener impedance for this current ranges is

The average value of a full-wave rectified voltage with a peak value of 75 V is

Which component can amplify a small signal using low voltages?

A varactor diode exhibits

If the load resistance of a capacitor-filtered full-wave rectifier is reduced, the ripple voltage

When a 60 Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is

Voltage regulation is the principal application of the:

A transistor in common emitter mode has

Zener diodes are used as:

The primary purpose of a Zener diode is to:

The three leads from a PNP transistor are named:

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