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In a semiconducting material the mobilit...

In a semiconducting material the mobilities of electrons and holes are `mu_(e )` and `mu_(h)` respectively. Which of the following is true?

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The correct Answer is:
A, B, C
Acceleration will less than `g((rho-sigma)/(rho))` time will depend on density `rho`. Viscous force may be maximum or minimum both are possible
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