MEDIUM
12th ICSE
IMPORTANT
Earn 100

What are intrinsic and extrinsic semiconductors?

Important Questions on Semiconductor Electronics

EASY
12th ICSE
IMPORTANT

Name two impurities that will make pure Si an extrinsic semiconductor.

MEDIUM
12th ICSE
IMPORTANT
Give the ratio of the number of holes and the number of conduction electrons in an intrinsic semiconductor.
MEDIUM
12th ICSE
IMPORTANT

Name the charge-carriers at room temperature in a conductor, an intrinsic semiconductor and an insulator.

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

Are the mobilities of electron and hole equal in a semiconductor?

MEDIUM
12th ICSE
IMPORTANT
How does the conductivity of a semiconductor change with rise in temperature?
MEDIUM
12th ICSE
IMPORTANT

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?