what value must R be adjusted in the circuit below to make l: 40mA? Assume V-12V 30mA. 18 V

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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2. To what value must R be adjusted in the circuit below to make I=40mA? Assume V₂=12V at
30mA.
18 V
3. Determine the value of R₁ to ensure the diode will regulate at 5.1V @ Izr-49mA.
V₁.
IN
8 V
www
22 (2
12Vras
601
IN47331
4. Connect a regulator to the circuit to maintain the output voltage at 10V. Use BZX84C10L where
V-10V @ Izr-5mA, Pzmax=225mW.
R₁
e R$1ko
Transcribed Image Text:2. To what value must R be adjusted in the circuit below to make I=40mA? Assume V₂=12V at 30mA. 18 V 3. Determine the value of R₁ to ensure the diode will regulate at 5.1V @ Izr-49mA. V₁. IN 8 V www 22 (2 12Vras 601 IN47331 4. Connect a regulator to the circuit to maintain the output voltage at 10V. Use BZX84C10L where V-10V @ Izr-5mA, Pzmax=225mW. R₁ e R$1ko
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