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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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can you write it for me. i need handwritten answer

When II = 0 A (R₁ = ∞), Iz is maximum and equal to the total circuit current IT. 24 V-12V= 25.5 mA 470 02 Iz(maz) = IT = VIN- Vz R If R₁, is removed from the circuit, the load current is O A. Since Iz(max) is less than IZM, O A is an acceptable minimum value for It, because the zener can handle all of the 25.5 mA. IL(min) = 0 A The maximum value of It occurs when Iz is minimum (Iz = Izk), so IL(max) = IT -IZK = 25.5 mA -1 mA = 24.5 mA = The minimum value of R₁, is RL(min) = Vz L(max) = 12 V 24.5 mA = 490 Ω Therefore, if R₁, is less than 4900, Rwill draw more of the total current away from the zener and Izwill be reduced below IZK.This will cause the zener to lose regulation. Regulation is maintained for any value of RI between 490 and infinity.
Transcribed Image Text:When II = 0 A (R₁ = ∞), Iz is maximum and equal to the total circuit current IT. 24 V-12V= 25.5 mA 470 02 Iz(maz) = IT = VIN- Vz R If R₁, is removed from the circuit, the load current is O A. Since Iz(max) is less than IZM, O A is an acceptable minimum value for It, because the zener can handle all of the 25.5 mA. IL(min) = 0 A The maximum value of It occurs when Iz is minimum (Iz = Izk), so IL(max) = IT -IZK = 25.5 mA -1 mA = 24.5 mA = The minimum value of R₁, is RL(min) = Vz L(max) = 12 V 24.5 mA = 490 Ω Therefore, if R₁, is less than 4900, Rwill draw more of the total current away from the zener and Izwill be reduced below IZK.This will cause the zener to lose regulation. Regulation is maintained for any value of RI between 490 and infinity.
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