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the value of R4 if the load current is to be limited to a maximum value of 250 mA. What power 2. A series voltage regulator with constant-current limiting is shown in Figure 17-47. Determine rating must R4 have? Q

the value of R4 if the load current is to be limited to a maximum value of 250 mA. What power 2. A series voltage regulator with constant-current limiting is shown in Figure 17-47. Determine rating must R4 have? Q

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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& 7 *00 8 O - 2. A series voltage regulator with constant-current limiting is shown in Figure 17-47. Determine the value of R4 if the load current is to be limited to a maximum value of 250 mA. What power rating must R4 have? VINO- R₁ 12 ΚΩ wwwm 3 V wwwwwww täköhtüchtüküklükzülükcertitza 2₁ Q₂ RA www -O VOUT R₂ 10 ΚΩ ww R3 4.7 ΚΩ
Transcribed Image Text:& 7 *00 8 O - 2. A series voltage regulator with constant-current limiting is shown in Figure 17-47. Determine the value of R4 if the load current is to be limited to a maximum value of 250 mA. What power rating must R4 have? VINO- R₁ 12 ΚΩ wwwm 3 V wwwwwww täköhtüchtüküklükzülükcertitza 2₁ Q₂ RA www -O VOUT R₂ 10 ΚΩ ww R3 4.7 ΚΩ
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