1. Consider the following resistive "bridge" network. 8ΚΩ 4ΚΩ 4ΚΩ 84V 4kQ 8kQ a. When the switch S₁ is open, what is the total equivalent resistance of the resistors in the dashed box? b. What is the potential difference Vab across the open switch? c. When the switch S₁ is closed, what is the total equivalent resistance of the resistors in the dashed box? (Note that this is not simply a combination of resistors in series and resistors in parallel.) d. What is the magnitude and direction of the current flowing through the closed switch?

1. Consider the following resistive "bridge" network. 8ΚΩ 4ΚΩ 4ΚΩ 84V 4kQ 8kQ a. When the switch S₁ is open, what is the total equivalent resistance of the resistors in the dashed box? b. What is the potential difference Vab across the open switch? c. When the switch S₁ is closed, what is the total equivalent resistance of the resistors in the dashed box? (Note that this is not simply a combination of resistors in series and resistors in parallel.) d. What is the magnitude and direction of the current flowing through the closed switch?

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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