A SCR has _____ pn junctions.
A SCR has _____ pn junctions.
ایک ایس سی آر میں جنکشن پر _____ ہوتا ہے۔
Explanation
A SCR (Silicon Controlled Rectifier) has three pn junctions.
It consists of four layers of semiconductor material, forming a PNPN structure with three PN junctions.