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If the ratio of the concentration of ele...

If the ratio of the concentration of electron to that of holes in a semiconductor is `(7)/(5)` and the ratio of current is `(7)/(4)` then what is the ratio of their drift velocities ?

A

`4/7`

B

`4/5`

C

`5/8`

D

`5/4`

Text Solution

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The correct Answer is:
D
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