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In a semiconductor it is observed that 80% of the current is carried by electrons and 20% by holes. If the drift speed of

In a semiconductor it is observed that 80% of the current is carried by electrons and 20% by holes. If the drift speed of the electrons is three times that of the holes, what is the ratio of electrons to holes? 1:2 6:7 5:8 1:1 O 3:4

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