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Q.

In a semiconducting material, the mobilities of electrons and holes are $μ_{e}$ and $μ_{h}$ respectively. Which of the following is true

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a

$μ_{e} > μ_{h}$

b

$μ_{e} < μ_{h}$

c

$μ_{e} = μ_{h}$

d

$μ_{e} < 0; μ_{h} > 0$

answer is A.

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Detailed Solution

Because electrons needed less energy to move.

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In a semiconducting material, the mobilities of electrons and holes are μe and μh respectively. Which of the following is true