Teaching HTET PGT Level 3 - 2024 Mock Test Physics Current, Resistance and Electricity Current Density
If μe and μh represent the electron and hole mobility respectively, n represents the electron density, e represents the charge of an electron and E represents the electric field, which of the following is the equation for current density in an intrinsic semiconductor?
1
n2eE2(μe - μh)
2
n2eE2(μe + μh)
3
neE(μe + μh)
4
neE(μe - μh)