Q.
$P$-type semiconductor is formed when
A. $As$ impurity is mixed in $Si$
B. $Al$ impurity is mixed in $Si$
C. $B$ impurity is mixed in $Ge$
D. $P$ impurity is mixed in $Ge$
A) A and C
B) A and D
C) B and C
D) B and D
Explanation
(c) The resistance of semiconductor decreases with the increase in temperature
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.