Modern Physics Ques 232
- Which of the following statements is not true?
$(1997,1 M)$
(a) The resistance of intrinsic semiconductors decreases with increase of temperature.
(b) Doping pure $Si$ with trivalent impurities give $p$-type semiconductors.
(c) The majority carriers in $n$-type semiconductors are holes.
(d) A $p-n$ junction can act as a semiconductor diode.
Show Answer
Answer:
Correct Answer: 232.(c)
Solution:
- In $n$-type semiconductors, electrons are the majority charge carriers.