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.The easiest way to bias a JFET in the ohmic region is with
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Question 2 of 30
Q-2.Hysteresis prevents false triggering associated with
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Question 3 of 30
Q-3.An ICVS amplifier has no output voltage. A possible trouble is
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Question 4 of 30
Q-4.An ideal current source supplies the current of 200mA to a load of 1 kOHM .when the load is changed to 100 OHM. the load current will be
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Question 5 of 30
Q-5.In a negative feedback amplifier, series mixing:
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Question 6 of 30
Q-6.For oscillations to start in a circuit, the loop gain must be greater than 1 when the phase shift around the loop is
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Question 7 of 30
Q-7.the charge on electron is
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Question 8 of 30
Q-8.The common-mode voltage gain is
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Question 9 of 30
Q-9.With voltage-divider bias VDB, an increase in emitter resistance will
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Question 10 of 30
Q-10.The discharging time constant of a peak detector is 10 ms. The lowest frequency you should use is
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Question 11 of 30
Q-11.The h-parameter equivalent circuit of a junction transistor is valid for:
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Question 12 of 30
Q-12.The reverse saturation current Is is given by:
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Question 13 of 30
Q-13.If the output of a voltage regulator varies from 20 to 19.8 V when the line voltage varies over its specified range, the source regulation is
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Question 14 of 30
Q-14.The ac emitter resistance of an emitter follower
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Question 15 of 30
Q-15.The Term VLSI circuits stands for
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Question 16 of 30
Q-16.In a swamped amplifier, the effects of the emitter diode become
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Question 17 of 30
Q-17.A Capacitor having rating 50 micro F ,6V and Plus sign near to one of its terminal ,the capacitor must be
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Question 18 of 30
Q-18.If a linear three-terminal IC regulator is more than a few inches from the filter capacitor, you may get oscillations inside the IC unless you use
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Question 19 of 30
Q-19.In a nonlinear op-amp circuit, the
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Question 20 of 30
Q-20.A Wien-bridge oscillator uses
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Question 21 of 30
Q-21.ICBO
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Question 22 of 30
Q-22.The LED is usually made of materials like:
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Question 23 of 30
Q-23.An input transducer converts
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Question 24 of 30
Q-24.A source follower has a voltage gain of
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Question 25 of 30
Q-25.The current ICBO
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Question 26 of 30
Q-26.Which of the following devices revolutionized the computer industry?
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Question 27 of 30
Q-27.Negative feedback reduces the
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Question 28 of 30
Q-28.Vacuum diode will conduct when
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Question 29 of 30
Q-29.When a forward bias is applied to a crystal diode, it
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Question 30 of 30
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