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 biasing circuit which gives best stability to the Q point is
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Question 2 of 30
Q-2.The anode cathode, voltage at which a gas filled diode fires is known as
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Question 3 of 30
Q-3.The output voltage of a zener diode rated as 12 volt 10% tolerance is
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Question 4 of 30
Q-4.The barrier potential across each silicon depletion layer is
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Question 5 of 30
Q-5.In the classic three op-amp instrumentation amplifier, the differential voltage gain is usually produced by the
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Question 6 of 30
Q-6.If the load resistance decreases in a zener regulator, the zener current
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Question 7 of 30
Q-7.The open-loop bandwidth equals
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Question 8 of 30
Q-8.A thermistor converts
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Question 9 of 30
Q-9.An n-channel JFET has a pinch-off voltage of Vp = –5 V, VDS (max) = 20 V, and gm = 2 mA/V. The minimum ON resistance is achieved in the JFET for:
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Question 10 of 30
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Question 11 of 30
Q-11.A CS amplifier has a voltage gain of
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Question 12 of 30
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Question 13 of 30
Q-13.Exceeding the critical rate of rise produces
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Question 14 of 30
Q-14.Negative feedback does not improve
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Question 15 of 30
Q-15.The node voltage at the top of the tail resistor is closest to
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Question 16 of 30
Q-16.
The loop gain of the oscillator to start with is
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Question 17 of 30
Q-17.In an abrupt junction Varactor diode, the dependence of the device capacitance (C) and applied reverse-bias (V) is given by:
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Question 18 of 30
Q-18.One frequency is 8 times another frequency. How many octaves apart are the two frequencies?
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Question 19 of 30
Q-19.The ac load line is the same as the dc load line when the ac collector resistance equals the
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Question 20 of 30
Q-20.If the filter capacitance is increased, the ripple will
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Question 21 of 30
Q-21.Compared to a CE stage, a swamped amplifier has an input impedance that is
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Question 22 of 30
Q-22.The input voltage to a positive limiter is a triangular wave of 8 Vpp and an average value of 0. If the reference level is 2 V, the output is
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Question 23 of 30
Q-23.In an op-amp integrator, the current through the input resistor flows into the
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Question 24 of 30
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Question 25 of 30
Q-25.Voltage gain of an ideal op-amp is:
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Question 26 of 30
Q-26.To see the connection between the component of an IC, is generally required
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Question 27 of 30
Q-27.Digital storage oscilloscope is more preferable because:
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Question 28 of 30
Q-28.The all-pass filter is used when
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Question 29 of 30
Q-29.The instantaneous operating point swings-along the
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Question 30 of 30
Q-30.In a swamped amplifier, the effects of the emitter diode become
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