Home » The thickness of space charge region for a P-N junction diode is of the order of Basic Electronics MCQs The thickness of space charge region for a P-N junction diode is of the order of January 20, 2022 15 Views Q. The thickness of space charge region for a P-N junction diode is of the order of A. 10-4 cm B. 10-2 cm C. 10 cm D. 100 cm Answer: 10-4 cm