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Learning Goal: To understand the balanced state of a Wheatstone bridge and calculate the unknown resistance and component powers. The Wheatstone bridge is a circuit that can be used to measure the value of an unknown resistance R₂. The circuit is set up as shown below. When the bridge is balanced by adjusting R3 until the voltage across the galvanometer is zero, no current flows through that segment. At that point, the resistor R3 R₂ ratios and must be equal, and the unknown resistance can be calculated using R₂ R₁ R₂ Part A R₂ = VE ΑΣΦΗ [11 R₁ A Wheatstone bridge circuit like the one shown in the introduction has R₁ = 100 and R₂ = 1 . The adjustable resistor can be varied from 12 to 11000 . What is the largest resistance R₂ that can be measured with this circuit by adjusting R3 to balance the bridge? Express your answer in 2 to three significant figures. ▸ View Available Hint(s) vec R3 ? = S2

Learning Goal: To understand the balanced state of a Wheatstone bridge and calculate the unknown resistance and component powers. The Wheatstone bridge is a circuit that can be used to measure the value of an unknown resistance R₂. The circuit is set up as shown below. When the bridge is balanced by adjusting R3 until the voltage across the galvanometer is zero, no current flows through that segment. At that point, the resistor R3 R₂ ratios and must be equal, and the unknown resistance can be calculated using R₂ R₁ R₂ Part A R₂ = VE ΑΣΦΗ [11 R₁ A Wheatstone bridge circuit like the one shown in the introduction has R₁ = 100 and R₂ = 1 . The adjustable resistor can be varied from 12 to 11000 . What is the largest resistance R₂ that can be measured with this circuit by adjusting R3 to balance the bridge? Express your answer in 2 to three significant figures. ▸ View Available Hint(s) vec R3 ? = S2

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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Part B The Wheatstone bridge from Part A (R₁ = 100 and R₂ = 1 ) is used to measure an unknown resistor. The bridge is balanced when R3 = 4855 S. If the circuit is energized from a v = 5 V source, what is the power dissipated by R3? Express your answer in W to three significant figures. ▸ View Available Hint(s) P3 = Submit Part C VE ΑΣΦ ↓1 vec P₂ What is the power dissipated by R₂ in the Wheatstone bridge from Part B (R₁ = 100, R₂ = 1 , and R3 = 4855 M)? Express your answer in W to three significant figures. ▸ View Available Hint(s) 195] ΑΣΦ S ↓↑ vec ? Ba W ? W
Transcribed Image Text:Part B The Wheatstone bridge from Part A (R₁ = 100 and R₂ = 1 ) is used to measure an unknown resistor. The bridge is balanced when R3 = 4855 S. If the circuit is energized from a v = 5 V source, what is the power dissipated by R3? Express your answer in W to three significant figures. ▸ View Available Hint(s) P3 = Submit Part C VE ΑΣΦ ↓1 vec P₂ What is the power dissipated by R₂ in the Wheatstone bridge from Part B (R₁ = 100, R₂ = 1 , and R3 = 4855 M)? Express your answer in W to three significant figures. ▸ View Available Hint(s) 195] ΑΣΦ S ↓↑ vec ? Ba W ? W
Learning Goal: To understand the balanced state of a Wheatstone bridge and calculate the unknown resistance and component powers. The Wheatstone bridge is a circuit that can be used to measure the value of an unknown resistance R₂. The circuit is set up as shown below. When the bridge is balanced by adjusting R3 until the voltage across the galvanometer is zero, no current flows through that segment. At that point, the resistor R$ R₂ R₂ ratios and must be equal, and the unknown resistance can be calculated using R = R2 R3- R₁ R₂ R₁ Part A R₂ = n> 10 ΑΣΦΗ | | +a vec V tilt A Wheatstone bridge circuit like the one shown in the introduction has R₁ = 100 and R₂ = 1 . The adjustable resistor can be varied from 12 to 11000 2. What is the largest resistance R, that can be measured with this circuit by adjusting R3 to balance the bridge? Express your answer in to three significant figures. ▸ View Available Hint(s) R₁ 199 R3 ? R₂ 52
Transcribed Image Text:Learning Goal: To understand the balanced state of a Wheatstone bridge and calculate the unknown resistance and component powers. The Wheatstone bridge is a circuit that can be used to measure the value of an unknown resistance R₂. The circuit is set up as shown below. When the bridge is balanced by adjusting R3 until the voltage across the galvanometer is zero, no current flows through that segment. At that point, the resistor R$ R₂ R₂ ratios and must be equal, and the unknown resistance can be calculated using R = R2 R3- R₁ R₂ R₁ Part A R₂ = n> 10 ΑΣΦΗ | | +a vec V tilt A Wheatstone bridge circuit like the one shown in the introduction has R₁ = 100 and R₂ = 1 . The adjustable resistor can be varied from 12 to 11000 2. What is the largest resistance R, that can be measured with this circuit by adjusting R3 to balance the bridge? Express your answer in to three significant figures. ▸ View Available Hint(s) R₁ 199 R3 ? R₂ 52
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