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What is special about semiconductors compared with metals regarding carriers?
AProtons move
BHoles also move
COnly ions move
DNothing moves
Answer & Solution
Correct answer: B. Holes also move
1. In metals only electrons carry current.
2. In semiconductors vacancies shift from atom to atom.
3. So holes also move.
_Source: NCERT Class 12 Physics Part II, Chapter 14, Semiconductor Electronics._
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