With each visit of this Electronics Devices and Circuits 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.Turn-on time of an SCR can be reduced by using a:
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Question 2 of 30
Q-2.An amplifier with resistive negative feedback has two left half plane poles in its open-loop transfer junction. The amplifier will be:
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Question 3 of 30
Q-3.MOSFET uses the electric field of
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Question 4 of 30
Q-4.A voltage follower has a voltage gain of
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Question 5 of 30
Q-5.If the filtered load current is 10 mA, which of the following has a diode current of 10 mA?
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Question 6 of 30
Q-6.With voltage-divider bias VDB, an increase in emitter resistance will
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Question 7 of 30
Q-7.A thyristor can be used as
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Question 8 of 30
Q-8.If the absolute voltage gain of an amplifier is 100, then its decibel gain is
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Question 9 of 30
Q-9.The maximum anode current, Gate being open, at which and SCR is turned off from on condition is called
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Question 10 of 30
Q-10.The stray-wiring capacitance has an effect on the
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Question 11 of 30
Q-11.The negative feedback in an amplifier
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Question 12 of 30
Q-12.In the initial stage of transistor amplifier, the zero signal collector current IC is generally
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Question 13 of 30
Q-13.The Term VLSI circuits stands for
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Question 14 of 30
Q-14.What is one important thing transistors do?
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Question 15 of 30
Q-15.The input impedance of the base increases when
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Question 16 of 30
Q-16.The ac resistance of compensating diodes
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Question 17 of 30
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Question 18 of 30
Q-18.The phase-shift oscillator usually has
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Question 19 of 30
Q-19.The gate-source diode of a JFET should be
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Question 20 of 30
Q-20.For dc, the current in a coupling circuit is
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Question 21 of 30
Q-21.At high frequencies, ordinary diodes don’t work properly because of
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Question 22 of 30
Q-22.If any capacitor is open, the ac output voltage will
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Question 23 of 30
Q-23.VHF stands for frequencies from
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Question 24 of 30
Q-24.In a feedback amplifier, sensitivity D is equal to:
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Question 25 of 30
Q-25.Loop gain is given by:
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Question 26 of 30
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Question 27 of 30
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Question 28 of 30
Q-28.Slew rate is defined as the:
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Question 29 of 30
Q-29.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 30 of 30
Q-30.A D/A converter with four inputs has
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