1. An unloaded zener regulator has a source voltage of 24 V, a series resistance of 470 ?, and a zener voltage of 15 V. What is the zener current?
2. If the source voltage in Prob. 5-1 varies from 24 to 40 V, what is the maximum zener current?
Prob. 5-1
An unloaded zener regulator has a source voltage of 24 V, a series resistance of 470 ?, and a zener voltage of 15 V. What is the zener current?