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12th ICSE
IMPORTANT
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What is electron mobility? What is its unit?

Important Questions on Semiconductor Electronics

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 16
How does the conductivity of a semiconductor change with rise in temperature?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 17

Is the ratio of number of holes and number of conduction electrons in n-type extrinsic semiconductor more than, less than or equal to 1?

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 17

Is the ratio of number of holes and number of conduction electrons in p-type extrinsic semiconductor more than, less than or equal to 1?

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 18
How is Ge made n-type?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 19
Doping Si with indium leads to which type of semiconductor?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 20
Why are n-type and p-type semiconductors so called?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 21
What are donor impurities? Name any three.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 22
What are acceptor impurities? Name any three.