I. Pure Si doped with trivalent impurities gives a p-type semiconductor |
II. Majority carriers in a n-type semiconductor are holes |
III. Minority carriers in a p-type semiconductor are electrons |
IV. The resistance of intrinsic semiconductor decreases with increase of temperature |
A) I only
B) I, III and IV
C) I and IV
D) II only
Correct Answer: B
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