MHT CET Physics question

PhysicsSemiconductor ElectronicsMHT CET

Not in JEE Advanced syllabus

In a pure silicon, number of electrons and holes per unit volume are . If silicon is doped with Boron in a way that on doping hole density increases to . Then electron density in doped semiconductor will be [MHT-CET 2022]

Answer: (B)

Solution

Using : $=(1.6×/(4×=2.56×/4×=6.4

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Question ID VK-075083