Modern Physics 6 Question 24

26. Which of the following statements is not true? (1997,1M)

(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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