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NCERT CBSE CLASS 12 PHYSICS CHAPTER WISE MCQ

Welcome to your Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits MCQs

1. 
The energy band gap is maximum in which of the following?
2. 
At absolute zero, Si acts as which of the following?
3. 
A piece of copper and another of germanium are cooled from room temperature to 77 K. what will impact on the resistance of each of them?
4. 
In semiconductors at room temperature, which of the following is likely to happen?
5. 
Which of the following is true regarding insulators?
6. 
Crystalline solids are which of the following?
7. 
Which of the following is an amorphous solid?
8. 
At which temperature, a pure semiconductor behaves slightly as a conductor?
9. 
The probability of electrons to be found in the conduction band of an intrinsic semiconductor at finite temperature is which of the following?
10. 
Holes are charge carriers in which one of the following?
11. 
In semiconductors at a room temperature correspond to which among the following?
12. 
Choose the false statement from the following.
13. 
At which temperature, a pure semiconductor behaves slightly as a conductor?
14. 
In a pure semiconductor crystal, if current flows due to breakage of crystal bonds, then what is the semiconductor called?
15. 
What should be done to obtain an OR gate from a NAND gate?
16. 
In Boolean algebra, what will not (A + not (B)).C) be equal to?
17. 
Identify the one on which no external bias is applied.
18. 
Which among the following is not easy to fabricate on an Integrated Circuit?
19. 
Which of the following is mainly sued in the production of Integrated Circuits?
20. 
What is the maximum power rating for an IC?

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