Related Questions

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)
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
Which of the following is a semiconductor material ?
A Phosphorous
B Rubber
C Silicon
D Aluminium
The most commonly used semiconductor material is
A Silicon
B Germanium
C Mixture of silicon and germanium
D None of the above
The instruction state that Sumi may need 4/9 square yards of one type of material and 2/3 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 8/18 square yards left that she did not use. What is the total amount of square yards of material Sumi used?
A 1/12
B 1/9
C 2/3
D 10/9
An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is
A Stainless steel
B Cast iron
C Wood
D Teflon
Which of the following is not a semiconductor?
A CdS
B NaCl
C Si
D Ge
Which one of the following is not a semiconductor?
A Silicon
B Germanium
C Quartz
D Gallium arsenide
Which of the following diodes uses a metal-semiconductor junction?
A General purpose diodes
B Fast recovery diodes
C Schottky diode
D None of the mentioned

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