AAI ATC Junior Executive 27 Jul 2022 Shift 3 Paper

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Question : 66 of 120
 
Marks: +1, -0
A pure Si crystal has 6 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent As. Then the number of electrons and holes are:
(Given that ni = 1.5 × 1016 m-3)
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