If the ratio of the concentration of electrons that of holes in a semiconductor is 5 7 and the ratio of currents is 4 7 , then what is the ratio of their drift velocities?

Question

If the ratio of the concentration of electrons that of holes in a semiconductor is 5 7 ​ and the ratio of currents is 4 7 ​ , then what is the ratio of their drift velocities?

TestHub · Accepted Answer

n n ​ n e ​ ​ = 5 7 ​ l n ​ l e ​ ​ = 4 7 ​ ( V d ​ ) n ​ ( V d ​ ) e ​ ​ ⇒ l n ​ l e ​ ​ × n e ​ n n ​ ​ = 4 5 ​

Physics - Semiconductors Question with Solution | TestHub

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JEE Main 2028 (Class 11)