voltage Eo passes through the wire BD, in which there is an ammeter with resistance R.. B D Eo FIGURE 3.4.3 Wheatstone bridge (Problem 43). (a) Use Kirchoff's Current Law that rthe algebraic sum of the currents at each junction must be zero to show that the unknown currents /, I1. Iz, I3, and I, satisfy the lincar system I + l2 = I, I, + l3 = I, + l = /1, 2+!, = I3. (b) Kirchoff's Voltage Law states that the algebraic sum of all voltage drops around a closed circuit is zero." (Voltage equals resistance times current.) Use this law to show that R,I, – R313 – Rgk = 0. Rili + Rglg – R2l2 = 0, Ril, + R,I, = Eo. (c) Show that the bridge is balanced (that is, I = 0) when R, R3 = R2R.. 43. The Wheatstone Bridge The Wheatstone bridge is a device used to measure an unknown resistance R, by com- paring it with known resistances R,, R2, and Ry.$ The circuit diagram is shown in Fig. 3.4.3. The known resis- tances are adjusted so that no current from the cell with

voltage Eo passes through the wire BD, in which there is an ammeter with resistance R.. B D Eo FIGURE 3.4.3 Wheatstone bridge (Problem 43). (a) Use Kirchoff's Current Law that rthe algebraic sum of the currents at each junction must be zero to show that the unknown currents /, I1. Iz, I3, and I, satisfy the lincar system I + l2 = I, I, + l3 = I, + l = /1, 2+!, = I3. (b) Kirchoff's Voltage Law states that the algebraic sum of all voltage drops around a closed circuit is zero." (Voltage equals resistance times current.) Use this law to show that R,I, – R313 – Rgk = 0. Rili + Rglg – R2l2 = 0, Ril, + R,I, = Eo. (c) Show that the bridge is balanced (that is, I = 0) when R, R3 = R2R.. 43. The Wheatstone Bridge The Wheatstone bridge is a device used to measure an unknown resistance R, by com- paring it with known resistances R,, R2, and Ry.$ The circuit diagram is shown in Fig. 3.4.3. The known resis- tances are adjusted so that no current from the cell with

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...

See similar textbooks

Similar questions

Q: A wood panel containing 16 solar cells. Calculate the total open circuit voltage and short circuit current coming out of the board and draw the relationship between current and voltages in the following cases a) If you connect each two cells in series and connect the groups in parallel . b) If all four cells are connected in parallel and the groups are linked in succession, noting that each cell has the following characteristics: Vos = 0.75V, Isc = 2 mA %3D
determine the current, voltage, and power of each 3. resistor in the given circuit using Nodal Analysis. Where Ro2 = 100 ohms, R2 = Rais thrice of Ro2. and Ro1 = Rs is twice of Ro2. Equations for KCL must be provided. R2 Rot Va Ro2 Rel Ot lo2 50 mA lor 30 mA Current Voltage Power Resistors Ro1 R2 R. Rs
Consider the following circuit. Find 652 ww R₂ 1252 ww R₁ 852 ww R₁ 36V a) the equivalent resistance of the circuit b) the potential difference across Ry c) the current through R
Suppose you are building an electronic circuit, and the battery supplies 9.0 V. You need to provide a circuit point where the de voltage is Ei = +2.5 V. If E = 9 V E1 ww RI R: Et 1. How much greater is R2 than R1 if connected in a voltage divider configuration such that +2.5 V appears at E1? 2. If Ri is 280 Q what will be the resistance value of R2? 3. What is the voltage across R2?
Home work: Q1: Two resistors must be selected so that the current in one is four times the current in the other. If their equivalent parallel resistance is 5kn, calculate R1 and R2. [Ans: 6.25k, 25k] 13
please help me o n number iv and v, thanks
Please solve a question quickly
Q3: find the current through the 48ohm resistor in the circuit and assume the diode is silicon diode and the forward internal resistor of the diode is 1ohm. 10 V D₁ D4 (i) 48 Ω ww D2 D3
Q3: Suppose that the components of the circuit shown in figure below, have the following values: R1= 162 , R2= 182 , R3=302 , R4=92 , R5= 4Q . The voltage across AB is measured by a voltmeter whose internal resistance is 2502. What is the measurement error caused by the resistance of the measuring instrument? RM 36v T 13 Eo EM
A circuit consisting of three ideal batteries with voltages 1, E2, and E3, and three ideal resistors with resistances R₁, R₂, and R3, is shown in the figure. ₁ 19.0 V, 82 = 21.0 V, E3 = 24.0 V R₁ = 3.90 kQ2, R₂ = 15.5 kQ, R3 = 6.75 k Calculate the current Ip through point P. Let the sign of the current correspond to its direction, with "up" being positive. Ip = P R₁ E₁ + + E2 R₂ www R3 H E3 + mA
Find the equivalent resistance on the circuit given below. Note: Value of R4 is equal to 388 ohms. R1 R3 R10 R8 4 R9 1 1000Q 3502 3002 1502 5002 6 Vs R2 R4 R5 R6 R7 2502 2002 15002 4002 24V Round your answer to 2 decimal places.
5. Determine the expression of the total resistance of the following circuit for each case 1. S1 open S2 open 2. S1 close S2 open 3. Sl open S2 close 4. S1 close S2 close $1 R1 ㅔ R3 ww S2 R2 www R4