Physics - Semiconductors Question with Solution | TestHub

A$P-N$junction diode connected to a battery of e.m.f.$4.5 \mathrm{V}$and an external resistance of$1000\mathrm{ }\mathrm{\Omega }$. What is the value of current in the circuit, if potential barrier in the diode$=0.5 \mathrm{V}$