engineering recuitment ISRO Scientist Electronics Mock Test Electronic Devices PN Junction PN Diode Capacitances
The diffusion capacitance of a germanium PN junction diode is 10 nF at forward voltage of 0.5 V, then the diffusion capacitance of same PN diode at applied voltage of 1 V is.
Take η = 1, VT = 0.0259 V
1
1.3 μF
2
11.53 nF
3
2.42 F
4
2.54 mF