Related Questions

Number of electrons in the outermost shell of a semi-conductor material is
A 2
B 4
C 6
D 8
Except Helium, all noble gases have how many electrons in the outermost shell?
A 4
B 8
C 6
D 10
In an intrinsic semiconductor, the number of free electrons
A Equals the number of holes
B Is less than the number of holes
C Is greater than the number of holes
D Impossible to say
E None of the above
The number of free electrons and holes in intrinsic semiconductor increases when the temperature
A Decreases
B Increases
C Stays the same
D 0oC
E None of the above
At room temperature the number of conducting electrons in an intrinsic semiconductor
A Is almost equal to the number of valence electrons
B Is about half the number of valence electrons
C Is small as compared to the number of valence electrons
D Is a very small fraction of the number of valence electrons
The number of electrons in the outer most orbit of carbon atom is
A 3
B 4
C 6
D 7
The impurity level in an extrinsic semiconductor is about of pure semiconductor.
A 10 atoms for 108 atoms
B 1 atom for 108 atoms
C 1 atom for 104 atoms
D 1 atom for 100 atoms
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________
A Remains the same
B Increases
C Decreases
D None of the above
নিম্নের কোনটি p-টাইপ অর্ধপরিবাহীতে n-টাইপ অর্ধপরিবাহীর তুলনায় বেশি আছে? (Which of the following does a p-type semiconductor have more compared to an n-type semiconductor-)  
A মোট ধনাত্মক আধান (total positive charge)
B মোট আধান (total charge)
C ইলেকট্রন ঘনত্ব (density of electrons)
D হোল ঘনত্ব (density of holes)
Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its
A Six ground stations
B Five ground stations
C Four ground stations
D Three ground stations

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