HARD
12th West Bengal Board
IMPORTANT
Earn 100

What are the differences between an intrinsic and extrinsic semiconductor ?

Important Questions on Electronic Devices

EASY
12th West Bengal Board
IMPORTANT
Distinguish between p-type and n-type semiconductors.
 
MEDIUM
12th West Bengal Board
IMPORTANT
What is the effect of rise of temperature on the resistivity of a metal ?
MEDIUM
12th West Bengal Board
IMPORTANT
How does the resistivity of a semiconductor change with temperature ?
EASY
12th West Bengal Board
IMPORTANT
Are the n -type and p -type materials electrically neutral? Explain.
EASY
12th West Bengal Board
IMPORTANT

Name the charge carriers in the following at room temperature.

(i) conductors

MEDIUM
12th West Bengal Board
IMPORTANT

Name the charge carriers in the following at room temperature.

(ii) intrinsic semiconductors

MEDIUM
12th West Bengal Board
IMPORTANT

Name the charge carriers in the following at room temperature.

(iii) insulators. 

MEDIUM
12th West Bengal Board
IMPORTANT

How does the resistance of a semiconductor change with rise of temperature ?