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The deliberate addition of a desirable impurity to a semiconductor is called:
ADoping
BDamping
CDumping
DDipping
Answer & Solution
Correct answer: A. Doping
1. An intrinsic semiconductor conducts very poorly at room temperature.
2. Adding a trace of another element changes that.
3. The deliberate addition of a desirable impurity is called doping.
4. The impurity atoms themselves are called dopants.
_Source: NCERT Class XII Physics Part II, Ch 14 'Semiconductor Electronics'_
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