railway RRB Technician Grade 1 Mock Test 2024 Electronic Mechanic Electronic Devices and Circuits Junction Diodes and Rectifiers
In a PN-junction diode
1
The potential is the same everywhere
2
The P-type is at higher potential than the N-type side
3
There is an electric field at the junction directed from the N-type side to the P-type side
4
There is an electric field at the junction directed from the P-type side to the N-type side