If to an intrinsic semiconductor, a pentavalent element is added as impurity, one get extrinsic semi conductor of _____ type.
A
n-type
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B
p-type
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C
intrinsic
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D
Both A and B
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Solution
The correct option is A n-type Adding a pentavalent impurity will lead to greater no. of free electrons than no. of holes and will result in n-type semiconductor.