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

The action of changing alternating current to direct current is called:

Compared to bipolar transistor, a JFET has

Avalanche breakdown results basically due to

The total secondary voltage in a center-tapped full-wave rectifier is 125 rms. Neglecting the diode drop, the rms output voltage is

The varactor diode is usually

A 60 V peak full-wave rectified voltage is applied to a capacitor-input filter. If f = 120 Hz. RL = 10 k Ω and C = 10 μF, the ripple voltage is

The primary purpose of a Zener diode is to:

Line regulation is determined by

Which of the following diodes is operated in reverse bias mode ?

Zener diodes are used as:

The peak value of the input to a half-wave rectifier is 10 V. The approximate peak value of the output is

In a semiconductor diode, electrons flow from:

Zener diodes are most commonly used in:

The diode in which impurities are heavily doped is

A transistor in common emitter mode has

Which configuration has unity voltage gain (ideal)

A silicon diode is in series with 1.0 kΩ resistor and a 5 V battery. If the anode is connected to the positive battery terminal, the cathode voltage with respect to the negative battery terminal is

For a silicon diode, the value of the forward-bias voltage typically

Compared to bipolar transistors, field effect transistors are NOT normally characterized by:

A transistor can be destroyed in a circuit by:

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