Modern Physics 6 Question 24
26. 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.
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Solution:
- In $n$-type semiconductors, electrons are the majority charge carriers.
