3V +1 a R₁ www R₂ ww R5 www www R4 ww R3 b

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter23: Resistive-inductive-capacitive Series Circuits
Section: Chapter Questions
Problem 9RQ: What is the power factor of the circuit in Question 6?
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Now assume that you have added an additional resistor, R5​, between terminals a and b as shown below. Assume that R1​=1kΩ,R2​=2kΩ,R3​=3kΩ,R4​= ? kΩ,R5​=5kΩ. In the process of constructing this circuit, you notice that you forgot to write down the value of R4​ !

However, you notice something very curious about your Wheatstone Bridge circuit: there is no current flowing through resistor R5​.

Based on this observation, what must the value of resistor R4​ be?

3V
+1
a
R₁
ww
ww
R5
www
R₂
www
R4
ww
R3
b
Transcribed Image Text:3V +1 a R₁ ww ww R5 www R₂ www R4 ww R3 b
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