If n(e) and n(h) be the number of electr...

If `n_(e)` and `n_(h)` be the number of electrons and drift velocity in a semiconductor. When the temperature is increased

A

`n_(e) "increasesand" v_(d) decreases`

B

`n_(e) "increasesand " v_(d) " incereases"`

C

Both `n_(e)and v_(d)` increases

D

Both `n_(e)and v_(d)`decreases

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