Related Questions

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)
Quartz crystal is most commonly used in crystal oscillators because ___________
A It has superior electrical properties
B It is easily available
C It is quite inexpensive
D None of the above
The crystal oscillator frequency is very stable due to ___________ of the crystal
A Rigidity
B Vibrations
C Low Q
D High Q
If the crystal frequency changes with temperature, we say that crystal has ___________ temperature coefficient
A Positive
B Zero
C Negative
D None of the above
In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?
A 5:1
B 6:1
C 7:2
D 10:3
The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child?
A 11 years
B 7 years
C 9 years
D None
The average age of 12 children is 15 years. If another child comes the averages age comes to 13. What is the age new child?
A 13.85 years
B 7 years
C 9 years
D 5 years
Ali, Babu, Chinmoy, Drabir and Ebadur are five athletes taking part in a race. Ali finishes ahead of Babu, Chinmoy finishes behind Drabir, Ali comes in behind Ebadur, Babu is ahead of Drabir. Who comes in between Ail & Drabir?
A Chinmoy
B Ebadur
C Babu
D Babu and Ebadur

Next steps