Q24. Two identical Zener diodes are placed back to back in series and are connected to a variable DC power supply. The best representation of the I-V characteristics of the circuit IS (a) (b) (c) (d) Ans: d)
ans: d option is correct . In forward bias , the series zener will act as a battery of constant voltage once V is above threshold voltage . and in reversebias , when zener voltage ...