Q. Which of the following statements is not true
A) The resistance of intrinsic semiconductors decrease with increase of temperature
B) Doping pure $Si$ with trivalent gives $P$-types semiconductors
C) The majority carriers in $N$-type semiconductors are holes
D) A $PN$-junction can act as a semiconductor diode
Explanation
(c) In $N$-type semiconductor majority charge carriers are electrons
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.