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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?
What effect will this change have upon the operation of the motor, and what will be its speed when stable operating conditions have been regained?
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