18 V R FIGURE 3 See Figure 3. What value must R be adjusted so for Iz to be 40 mA? Assume VZ = 12 V at 30 mA and ZZ = 30 Q. Answer is a number. Units are in ohms.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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18 V
R
FIGURE 3
See Figure 3. What value must R be adjusted so for Iz to be 40 mA?
Assume VZ = 12 V at 30 mA and ZZ = 30 Q.
Answer is a number. Units are in ohms.
Transcribed Image Text:18 V R FIGURE 3 See Figure 3. What value must R be adjusted so for Iz to be 40 mA? Assume VZ = 12 V at 30 mA and ZZ = 30 Q. Answer is a number. Units are in ohms.
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