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Let `n_(e)` and `n_(b)` are the number density of electrons and holes in extrinsic semiconductor then-

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Let `n_(e)` and `n_(b)` are the number density of electrons and holes in extrinsic semiconductor then-
A. `n_(e)gt n_(b)`
B. `n_(e)lt n_(h)`
C. `n_(e)=n_(h)`
D. `n_(e) ne n_(h)`
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Correct Answer - D
in extrinsic semicoductor `n_(e)ne n_(h)`
`n_(e)gt n_(h)("for n- type ") `
`n_(h)gt n_(e) ("for p - type" ) `
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