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:

  1. In $n$-type semiconductors, electrons are the majority charge carriers.


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