Merge branch 'Physics00-master-patch-41574' into 'master'

Update 14_doping_and_devices.md

See merge request !109

src/14_doping_and_devices.md

@@ -174,7 +174,7 @@ $$
 n_h \approx N_V e^{E_v-E_F/kT}.
 $$
 We express the lhs with the quadratic equation solution and solve for Fermi level:
-$$E_F = E_G - kT\ln[N_C/(N_D-N_A)], \textrm{ for } N_D > N_A$$
+$$E_F = E_c - kT\ln[N_C/(N_D-N_A)], \textrm{ for } N_D > N_A$$
 and
 $$E_F = kT\ln[N_V/(N_A-N_D)], \textrm{ for } N_A > N_D$$