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.triac is equivalent to
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Question 2 of 30
Q-2.The device to use for rectifying a weak ac signal is a
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Question 3 of 30
Q-3.In a bypass circuit, the top of a capacitor is
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Question 4 of 30
Q-4.For a shunt-shunt negative feedback amplifier
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Question 5 of 30
Q-5.When the gate voltage becomes more negative in an N channel JFET, the channel between the depletion layers
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Question 6 of 30
Q-6.Packaging is used for:
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Question 7 of 30
Q-7.For an SCR, dv /dt protection is achieved through the use of:
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Question 8 of 30
Q-8.The induction filter is mostly used for rectifiers with:
1. Half-wave rectifiers 2. Light loads 3. High loads 4. None of the above
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Question 9 of 30
Q-9.Ac emitter resistance equals 25 mV divided by the
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Question 10 of 30
Q-10.A power supply with low output impedance has low
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Question 11 of 30
Q-11.The application where one would most likely to find Quartz oscillator would be
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Question 12 of 30
Q-12.If the base supply voltage increases, the Q point moves
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Question 13 of 30
Q-13.If the filter capacitance is increased, the ripple will
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Question 14 of 30
Q-14.If the unity-gain frequency is 5 MHz and the midband open loop voltage gain is 200,000, the cutoff frequency is
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Question 15 of 30
Q-15.The difference between the electron and hole Fermi energies of a semiconductor laser is 1.5eV and the band gap of the semiconductor is 1.43eV. The upper and lower frequency limits of the laser will be respectively:
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Question 16 of 30
Q-16.Two stages have voltage gains of 100 and 200. The total decibel voltage gain is
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Question 17 of 30
Q-17.An n-type semiconductor has electrons as a majority carriers, due to this material attains negative charge on it
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Question 18 of 30
Q-18.The voltage out of a Schmitt trigger is
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Question 19 of 30
Q-19.The Quiescent point Q in a voltage amplifier is selected in the middle of the active region because
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Question 20 of 30
Q-20.A veractor diode is optimized for
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Question 21 of 30
Q-21.The negative resistance characteristics of a tetrods is known as
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Question 22 of 30
Q-22.The transconductance gm is defined as gm = ∂io /∂VBE its value in terms of h-parameters is:
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Question 23 of 30
Q-23.The Rating of resistor is measured in
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Question 24 of 30
Q-24.For an n-channel JFET, having drain–source voltage constant if the gate–source voltage is increased to more negative pinch-off would occur for:
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Question 25 of 30
Q-25.Electronics Branch started with the invention of
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Question 26 of 30
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Question 27 of 30
Q-27.In an ac amplifier using an op amp with coupling and bypass capacitors, the output offset voltage is
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Question 28 of 30
Q-28.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 29 of 30
Q-29.The regulator with the highest efficiency is the
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Question 30 of 30
Q-30.Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is
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