e input to a voltage regulator circuit varies from 11.4 to 12.2 V. The load voltage is to be maintained at 9.1V with maximum current of 95 mA.  a) Which of the following zener diode can be used?  Diode A: 9.1 V, 1 W; Diode B: 9.1 V, 2 W; Diode C: 9.1 V, 3 W; Diode D: 9.1 V, 5 W  b) List all standard resistance values that can be used.

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
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he input to a voltage regulator circuit varies from 11.4 to 12.2 V. The load voltage
is to be maintained at 9.1V with maximum current of 95 mA.
 a) Which of the following zener diode can be used? 
Diode A: 9.1 V, 1 W; Diode B: 9.1 V, 2 W; Diode C: 9.1 V, 3 W; Diode D: 9.1 V, 5 W
 b) List all standard resistance values that can be used. 

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