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.A dc signal has a frequency of
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Question 2 of 30
Q-2.A conductor has how many holes?
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Question 3 of 30
Q-3.If the base current is 100 mA and the current gain is 30, the collector current is
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Question 4 of 30
Q-4.When the Q point is at the center of the ac load line, the maximum peak-to-peak output voltage equals
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Question 5 of 30
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Question 6 of 30
Q-6.A TRIAC can be used only in:
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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.The device to use for rectifying a weak ac signal is a
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Question 9 of 30
Q-9.The large scale integrated chip is that which contains circuitry equal to
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Question 10 of 30
Q-10.An Electronic Components which can process the signals are called
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Question 11 of 30
Q-11.from the output characteristics, FET is considered to be a solid state device equivalent to a
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Question 12 of 30
Q-12.A triode is used as an amplifier because
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Question 13 of 30
Q-13.In a p -type silicon sample, the hole concentration is 2.25 x 1015 /cm3 . If the intrinsic carrier concentration 1.5 x 1010 /cm3 , the electron concentration is
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Question 14 of 30
Q-14.To reduce the distortion in a CE amplifier, reduce the
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Question 15 of 30
Q-15.If the load current is 5 mA and the filter capacitance is 1000uF, what is the peak-to-peak ripple out of a bridge rectifier?
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Question 16 of 30
Q-16.In a p –n diode, for constant value of current at room temperature, dv /dt varies approximately at the rate of:
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Question 17 of 30
Q-17.In a boost regulator, the output voltage is filtered with a
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Question 18 of 30
Q-18.If the bulk resistance is zero, the graph above the knee becomes
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Question 19 of 30
Q-19.The ac load line of the emitter follower is
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Question 20 of 30
Q-20.Which of these is the best description of a zener diode?
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Question 21 of 30
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Question 22 of 30
Q-22.An ideal voltage source is that which has an internal resistance
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Question 23 of 30
Q-23.The Quiescent point Q in a voltage amplifier is selected in the middle of the active region because
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Question 24 of 30
Q-24.Digital storage oscilloscope is more preferable because:
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Question 25 of 30
Q-25.A silicon controlled rectifier has
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Question 26 of 30
Q-26.Silver is the best conductor. How many valence electrons do you think it has?
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Question 27 of 30
Q-27.The modulation of effective base width by collector voltage is known as Early Effect; hence reverse collector voltage:
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Question 28 of 30
Q-28.With voltage-divider bias VDB, an increase in emitter resistance will
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Question 29 of 30
Q-29.In CE configuration, the input VI characteristics are drawn by taking
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Question 30 of 30
Q-30.When Q is greater than 1, a bandpass filter should be built with
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