MEDIUM
NEET
IMPORTANT
Earn 100

If ne and nh are the number of electrons and holes in a semiconductor heavily doped with phosphorus, then 

50% studentsanswered this correctly

Important Questions on Semiconductor Devices

MEDIUM
NEET
IMPORTANT

When the conductivity of a semiconductor is only due to the breaking of the covalent bonds, the semiconductor is called:

EASY
NEET
IMPORTANT
In an intrinsic semiconductor, the number of electrons and holes at room temperature are 
EASY
NEET
IMPORTANT
In germanium crystal, the forbidden energy gap in joule is:-
EASY
NEET
IMPORTANT
The probability of finding electrons in the conduction band of an intrinsic semiconductor at a finite temperature
EASY
NEET
IMPORTANT
Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented byEgCEgSi  and EgGe and respectively. Which one of the following relationships is true in their case?
EASY
NEET
IMPORTANT
The impurity energy level of n-type semiconductor lies