a. Assuming that the circuit is balanced, that is, that Vab = 0, determine X4 in terms of the circuit elements. b. b. If C3 = 4.7 µ F, L3 = 0.098 H, R1 = 100 -,R2 = 1 -, vS (t) = 24 sin(2,000t), and vab = 0, what is the reactance of the unknown circuit element? Is it a capacitor or an inductor? Wha is its value? c. What frequency should be avoided by the source in this circuit, and why?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Problem (7)
The circuit shown is a Wheatstone bridge that will allow you to determine the reactance of an
inductor or a capacitor. The circuit is adjusted by changing R, and R2 until Vab is zero.
C3
L3
Vs(1)
R2
a. Assuming that the circuit is balanced, that is, that Vab = 0, determine X4 in terms of the
circuit elements.
b. b. If C3 = 4.7 µ F, L3 = 0.098 H, R1 = 100 -,R2 = 1 -, vS (t) = 24 sin(2,000t), and vab = 0,
what is the reactance of the unknown circuit element? Is it a capacitor or an inductor? What
is its value?
c. What frequency should be avoided by the source in this circuit, and why?
Transcribed Image Text:Problem (7) The circuit shown is a Wheatstone bridge that will allow you to determine the reactance of an inductor or a capacitor. The circuit is adjusted by changing R, and R2 until Vab is zero. C3 L3 Vs(1) R2 a. Assuming that the circuit is balanced, that is, that Vab = 0, determine X4 in terms of the circuit elements. b. b. If C3 = 4.7 µ F, L3 = 0.098 H, R1 = 100 -,R2 = 1 -, vS (t) = 24 sin(2,000t), and vab = 0, what is the reactance of the unknown circuit element? Is it a capacitor or an inductor? What is its value? c. What frequency should be avoided by the source in this circuit, and why?
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