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NEET2005PhysicsSemiconductorsActual

In a semiconducting material the mobilities of electrons and holes are _e and _n respectively. Which of the following is true?

Options

  1. A_e> _n
  2. B_e < _n
  3. C_e= _n
  4. D_e 0 .

Correct answer

A. _e> _n

Step-by-step solution

_e> _n because electron is lighter than hole.

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