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? O 1:1 O 6:7 5:8 O 3:4 O 1:2

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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 the electrons is three times
that of the holes, what is the ratio of electrons to holes?
1:1
6:7
5:8
О 3:4
1:2
Transcribed Image Text: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? 1:1 6:7 5:8 О 3:4 1:2
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