Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion
Discussion Forum : Electronic Devices and Circuits - Section 13 (Q.No. 13)
13.
Indium, aluminium, arsenic are all p type impurities.
Discussion:
5 comments Page 1 of 1.
Kelechi said:
4 months ago
The correct answer is (A).
Arsenic is a metalloid element that belongs to Group 15 of the periodic table. It can exhibit several oxidation states, including -3, 0, +3, and +5.
The most common and environmentally relevant oxidation states are +3 (trivalent) and +5 (pentavalent).
Arsenic is a metalloid element that belongs to Group 15 of the periodic table. It can exhibit several oxidation states, including -3, 0, +3, and +5.
The most common and environmentally relevant oxidation states are +3 (trivalent) and +5 (pentavalent).
Lakitete said:
8 years ago
Indium is trivalent impurity and arsenic is pentavalent impurity so neither of the two choices is correct.
Janki said:
8 years ago
Arsenic is pentavalent impurity.
KISHOR said:
9 years ago
I think the answer is A) TRUE.
Ayaz said:
9 years ago
Arsenic is N Type Impurity.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers