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 SCR is usually turned on by
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Question 2 of 30
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Question 3 of 30
Q-3.The ac collector resistance of the first stage includes the
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Question 4 of 30
Q-4.The Hall Effect voltage in intrinsic silicon is:
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Question 5 of 30
Q-5.The input impedance of the base increases when
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Question 6 of 30
Q-6.The reverse current consists of minority-carrier current and
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Question 7 of 30
Q-7.The open-loop voltage gain equals the
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Question 8 of 30
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Question 9 of 30
Q-9.The system units adopted in india is
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Question 10 of 30
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Question 11 of 30
Q-11.When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current
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Question 12 of 30
Q-12.To vary the frequency of an LC oscillator, you can vary
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Question 13 of 30
Q-13.A Darlington transistor has a Beta of 8000. If RE = 1 kohm and RL = 100 ohm, the input impedance of the base is closest to
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Question 14 of 30
Q-14.In a nonlinear op-amp circuit, the
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Question 15 of 30
Q-15.The decibel gain is important because
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Question 16 of 30
Q-16.The conductivity of an intrinsic semiconductor is given by (symbols have the usual meanings):
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Question 17 of 30
Q-17.A vacuum diode can be used as
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Question 18 of 30
Q-18.Saw-tooth voltage of a CRO means:
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Question 19 of 30
Q-19.The emission of electrons from a metallic surface by the bombardment of high speed particles is called
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Question 20 of 30
Q-20.If the emitter resistance decreases, the
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Question 21 of 30
Q-21.The gate-to-source resistance of an FET is of the order of:
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Question 22 of 30
Q-22.In the active region, the collector current is not changed significantly by
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Question 23 of 30
Q-23.The material with the piezoelectric effect is
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Question 24 of 30
Q-24.If a Butterworth filter has 9 second-order stages, its roll-off rate is
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Question 25 of 30
Q-25.If the emitter resistor is open, the collector voltage is
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Question 26 of 30
Q-26.A narrow band amplifier is one that is bandwidth
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Question 27 of 30
Q-27.ICs are generally made of
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Question 28 of 30
Q-28.The pinch-off voltage of JFET is 5.0 volts. Its cut-off voltage is:
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Question 29 of 30
Q-29.A BJT is in the saturation region if:
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Question 30 of 30
Q-30.For a class B push-pull emitter follower to work properly, the emitter diodes must
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