engineering recuitment NCRTC Junior Engineer Mock Test Series 2025 Electronic Devices PN Junction PN Junction Diode
A diode whose terminal characteristics are related as Id = Is(eV/ηVT - 1) is biased at Id = 2 mA. Its dynamic resistance is:
(Given η = 2 and VT = 25 mV)1
25 Ω
2
12.5 Ω
3
50 Ω
4
22.5 Ω