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When a bond breaks and an electron leaves, the vacancy left behind behaves like a free particle with:
APositive charge
BNegative charge
CZero net charge
DDouble charge
Answer & Solution
Correct answer: A. Positive charge
1. The electron carries away a negative charge.
2. The site it leaves has an effective positive charge.
3. That vacancy is a hole with positive charge.
_Source: NCERT Class 12 Physics Part II, Chapter 14, Semiconductor Electronics._
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