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.For dc, the current in a coupling circuit is
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Question 2 of 30
Q-2.To use an op amp, you need at least
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Question 3 of 30
Q-3.A coupling capacitor is
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Question 4 of 30
Q-4.The input impedance of the base increases when
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Question 5 of 30
Q-5.In a forward-biased photo diode with increase in incident light intensity, the diode current:
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Question 6 of 30
Q-6.Conduction in a cold cathode gas filled tube is started by
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Question 7 of 30
Q-7.The Hall Effect voltage in intrinsic silicon is:
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Question 8 of 30
Q-8.Silver is the best conductor. How many valence electrons do you think it has?
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Question 9 of 30
Q-9.The ac emitter current is closest to
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Question 10 of 30
Q-10.If BW increases, the
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Question 11 of 30
Q-11.An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?
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Question 12 of 30
Q-12.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 13 of 30
Q-13.The voltage between the input terminals of a real op amp is
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Question 14 of 30
Q-14.When the initial slope of a sine wave is greater than the slew rate,
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Question 15 of 30
Q-15.The state-variable filter
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Question 16 of 30
Q-16.Loop gain is given by:
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Question 17 of 30
Q-17.In RC phase shift oscillator will not produce any oscillations until and unless the voltage gain of its internal amplifier is
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Question 18 of 30
Q-18.The feedback resistor
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Question 19 of 30
Q-19.A silicon controlled rectifier has
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Question 20 of 30
Q-20.The input impedance of a differential amplifier equals re’ times
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Question 21 of 30
Q-21.The dropout voltage of standard monolithic linear regulators is closest to
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Question 22 of 30
Q-22.The current ICBO
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Question 23 of 30
Q-23.In an ac amplifier using an op amp with coupling and bypass capacitors, the output offset voltage is
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Question 24 of 30
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Question 25 of 30
Q-25.The material with the piezoelectric effect is
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Question 26 of 30
Q-26.If the emitter resistance decreases, the collector voltage
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Question 27 of 30
Q-27.If GBW is limited, the Q of the stage will
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Question 28 of 30
Q-28.Which of the following describes a p-type semiconductor?
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Question 29 of 30
Q-29.The ac equivalent circuit is derived from the original circuit by shorting all
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Question 30 of 30
Q-30.The noise level in FET is
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