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Question: Answered & Verified by Expert
In a semiconducting material the mobilities of electrons and holes are $\mu_e$ and $\mu_n$ respectively. Which of the following is true?
PhysicsSemiconductorsAIIMSAIIMS 2005
Options:
  • A $\mu_e>\mu_n$
  • B $\mu_e < \mu_n$
  • C $\mu_e=\mu_n$
  • D $\mu_e < 0 ; \mu_n>0$.
Solution:
2711 Upvotes Verified Answer
The correct answer is: $\mu_e>\mu_n$
$\mu_e>\mu_n$ because electron is lighter than hole.

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