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The diffusion constant for holes in silicon is 13 cm2/s. What is the diffusion current if the gradient of the hole concentration \(\frac{dP}{dX} = -2 \times 10^{14}\) holes per cm3 per cm?
1
-0.416 mA
2
-3.2 × 10-5 A
3
32 μA
4
0.416 mA