carlathebaddest53801 carlathebaddest53801
  • 28-01-2024
  • Physics
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In the ratio of the concentration of electrons 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) 7:5
b) 5:7
c) 4:7
d) 7:4

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