engineering recuitment GATE ECE 2023-24 Test Series Electronic Devices Carrier Transport Carrier Diffusion
Assume electronic charge q = 1.6 × 10-19 C, kT/q = 25 mV and electron mobility μn = 1000 cm2/V-s. If the concentration gradient of electrons injected into a P-type silicon sample is 1 × 1021/cm4, the magnitude of electron diffusion current density (in A/cm2) is _________.
Enter numerical value using the virtual keypad. Round off where necessary.