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12th Odisha Board
IMPORTANT
Earn 100

When does a pure semiconductor behave as an insulator.

Important Questions on Solids

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 9
What is doping?
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 10
When trivalent impurities are added to germanium, what type of semiconductor is obtained?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 11
When pentavalent impurities are added to germanium, what type of semiconductor is obtained?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 12
Addition of which impurity to germanium crystals converts it into an n-type semiconductor.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 13
Name the charge carrier in a p-type semiconductor.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 14
Which are the majority charge carriers in an n-type semiconductor?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 15
Name a material as a dopant to convert pure silicon to a p-type semiconductor.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 16
How does the conductivity of pure germanium change with the increase in temperature?