With each visit of this Basic Electronics online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.If three stage of multi staging amplifier have individual gain of 5db and 15 db, then the total gain is
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Question 2 of 30
Q-2.If the load resistance decreases in a zener regulator, the series current
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Question 3 of 30
Q-3.Which of the following doesn’t fit in the group?
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Question 4 of 30
Q-4.A compensating capacitor prevents
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Question 5 of 30
Q-5.In the second approximation, the total voltage across the zener diode is the sum of-the breakdown voltage and the voltage across the
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Question 6 of 30
Q-6.At the unity-gain frequency, the open-loop voltage gain is
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Question 7 of 30
Q-7.Hysteresis prevents false triggering associated with
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Question 8 of 30
Q-8.Consider the following statements: pure germanium and pure silicon are examples of:
1. Direct band-gap semiconductors
2. Indirect band-gap semiconductors
3. Degenerate semiconductors Of these statements:
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Question 9 of 30
Q-9.Semi-logarithmic paper means
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Question 10 of 30
Q-10.A capacitor may be needed in a discrete voltage regulator to prevent
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Question 11 of 30
Q-11.If the voltage gain doubles, the decibel voltage gain increases by
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Question 12 of 30
Q-12.A Zener diode is based on the principle of:
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Question 13 of 30
Q-13.The cutoff frequency of an op amp equals the unity-gain frequency divided by
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Question 14 of 30
Q-14.A four-layer diode is sometimes called a
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Question 15 of 30
Q-15.If RC = 3.6 kohm and RL = 10 kohm, the ac load resistance equals
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Question 16 of 30
Q-16.Which of the following transistors is symmetrical in there structure?
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Question 17 of 30
Q-17.A SCR is usually turned on by
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Question 18 of 30
Q-18.permeability of free space is
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Question 19 of 30
Q-19.For faithful amplification with Germanium transistor, the base emitter junction voltage VBE should not fall below
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Question 20 of 30
Q-20.The transistors of a class B push-pull emitter follower are biased at or near
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Question 21 of 30
Q-21.A transistor acts like a diode and a
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Question 22 of 30
Q-22.Saw-tooth voltage of a CRO means:
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Question 23 of 30
Q-23.The kind of oscillator found in an electronic wristwatch is the
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Question 24 of 30
Q-24.The collector voltage of a VDB circuit is not sensitive to changes in the
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Question 25 of 30
Q-25.In an ac amplifier using an op amp with coupling and bypass capacitors, the output offset voltage is
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Question 26 of 30
Q-26.A CS amplifier has a voltage gain of
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Question 27 of 30
Q-27.How many types of negative feedback are there?
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Question 28 of 30
Q-28.If the two supply voltages are plus and minus 15 V, the MPP value of an op amp is closest to
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Question 29 of 30
Q-29.Negative feedback reduces the
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Question 30 of 30
Q-30.The closed-loop input impedance in a VCVS amplifier is
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