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.In a boost regulator, the output voltage is filtered with a
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Question 2 of 30
Q-2.The approximation that distorts digital signals the least is the
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Question 3 of 30
Q-3.If the voltage gain doubles, the decibel voltage gain increases by
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Question 4 of 30
Q-4.The first step in analyzing emitter-based circuits is to find the
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Question 5 of 30
Q-5.A phase splitter produces two output voltages that are
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Question 6 of 30
Q-6.If the Q point is at the middle of the dc load line, clipping will first occur on the
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Question 7 of 30
Q-7.the work function of an oxide coated emitter is
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Question 8 of 30
Q-8.If the emitter resistance decreases, the
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Question 9 of 30
Q-9.If the collector resistor is shorted, the ac output voltage will
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Question 10 of 30
Q-10.An astable 555 timer has the following number of stable states:
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Question 11 of 30
Q-11.How much forward diode voltage is there with the ideal diode approximation?
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Question 12 of 30
Q-12.Transconductance is measured in
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Question 13 of 30
Q-13.Conduction in a cold cathode gas filled tube is started by
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Question 14 of 30
Q-14.To generate 1MHz signal, the most suitable circuit is
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Question 15 of 30
Q-15.In a Centre tapped full wave rectifier, if Vm
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Question 16 of 30
Q-16.the most commonly used IC are
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Question 17 of 30
Q-17.A lag circuit has a phase angle that is
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Question 18 of 30
Q-18.When a PN junction is forward biased
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Question 19 of 30
Q-19.The voltage gain of a diff amp with a differential output is equal to RC divided by
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Question 20 of 30
Q-20.For an abrupt junction Varactor diode, the dependence of the device capacitance (C), an applied reverse-bias (V) is given by:
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Question 21 of 30
Q-21.The output of an active positive clamper is
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Question 22 of 30
Q-22.In synchronized UJT triggering of an SCR voltage Vc across capacitor reaches UJT threshold voltage thrice in each half-cycle so that there are three firing pulses during each half-cycle. The firing angle of the SCR can be controlled:
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Question 23 of 30
Q-23.Double tuned amplifier circuit
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Question 24 of 30
Q-24.In a linear op-amp circuit, the
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Question 25 of 30
Q-25.The maximum speed of operation of an electronic switch is
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Question 26 of 30
Q-26.Radar is a device with the help of which we can
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Question 27 of 30
Q-27.Positive ions are atoms that have
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Question 28 of 30
Q-28.A conductor has how many holes?
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Question 29 of 30
Q-29.The pinch-off voltage of JFET is 5.0 volts. Its cut-off voltage is:
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Question 30 of 30
Q-30.AN OP-AMP can be used to generate the waveform having shape
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