Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Holes are charge carriers in (1) intrinsic semiconductor (2) ionic solids (3) P-type semiconductors (4) metalsA) 1, 2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: D
Solution :
In interinsic semiconductors, electrons and holes both are charge carriers. In p-type semiconductors (extrinsic semiconductors) holes are majority charge carriers.
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