CBSE Class 12 Semiconductor Electronics Materials Devices and Simple Circuits Multiple Choice Questions with Answers. MCQ Questions Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Semiconductor Electronics Materials Devices and Simple Circuits MCQs with Answers to know their preparation level.
Students who are searching for NCERT MCQ Questions for Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers. You can also verify your answers from our provided MCQ Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers. So, ace up your preparation with MCQ of Class 12 Physics Examinations.
MCQ Questions Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers - Set - 2
Question 1:Â
For a transistor, current amplification factor is 0.8. The transistor is changed to common emitter configuration. For a change of 6 mA in base current. Change in collector current is
(a) 4.8 mA
(b) 6 mA
(b) 8 mA
(d) 24 mA
Correct Answer – (D)
Question 2 :Â
How many AND gates are required to form, NAND gate?
(a) 0
(b) 1
(c) 2
(d) 4
Correct Answer – (B)
Question 3 :Â
Assuming that the junction diode is ideal, the current in the arrangement shown here is:
(a) 2 mA
(b) 30 mA
(c) 20 mA
(d) 10 mA
Correct Answer – (C)
Question 4 :Â
The conductivity of semiconductors like Ge and Si:
(a) increases when it is doped with pentavalent impurity.
(b) increases when it is doped with trivalent impurity.
(c) increases when it is doped with pentavalent or trivalent impurity.
(d) none
Correct Answer – (C)
Question 5 :Â
The following logic symbol is equivalent to:
(a) AND gate
(b) OR gate
(c) NOT gate
(d) NAND gate
Correct Answer – (A)
MCQ Questions Class 12 Semiconductor Electronics Materials Devices and Simple Circuits with Answers
Question 6 :Â
Which of following statements is not true?
(a) Resistance of an intrinsic semiconductor decreases with increase in temperature.
(b) Doping pure Si with trivalent impurities gives p-type semiconductor.
(c) The majority carriers in n-type semiconductor are holes.
(d) A p-n junction can act as semiconductor diode.
Correct Answer – (C)
Question 7 :Â
An oscillator is an amplifier with:
(a) a large gain
(b) Negative feedback
(c) positive feedback
(d) no feedback
Correct Answer – (C)
Question 9 :Â
Which of the following gates corresponds to the truth table given here:
(a) NAND
(b) OR
(c) NOR
(d) AND
Correct Answer – (A)
Question 10 :Â
In principle, Boolean algebra is based on:
(a) simple numbers
(b) binary numbers
(c) logic
(d) truth
Correct Answer – (C)
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