![Problem 2) [20 points] Consider the circuit shown below which is used to monitor the io is called a a strain gauge. The circuit is called aWheatstone Bridge. The current-measuring de Galvanomete resistor (strain gauge) whose resistance increases with bending moment. device is called a r , and t has an internal resistance of 50 Ω. Resistor R3 represents a force-sensitive For th e resistor values shown, the circuit is balanced and no current will flow through the anometer. What will be the magnitude and direction of the current through the Galvanometer if R changes to 3003 2? Galvanometer Current Magnitude: R1 500 Ω Galvanometer R 3000 Ω Galvanometer Current Direction: 18V R2 200 Ω K, 1200 Ω](http://img.homeworklib.com/questions/e904b3a0-bfc0-11ea-b023-316d47b03504.png?x-oss-process=image/resize,w_560)
Consider the circuit shown below which is used to monitor the force applied to a strain gauge. The circuit is called a "Wheatstone Bridge". The current-measuring device is called a "Galvanometer", and it has an internal resistance of \(50 \Omega\). Resistor \(R_{3}\) represents a force-sensitive resistor (strain gauge) whose resistance increases with bending moment.
For the resistor values shown, the circuit is balanced and no current will flow through the Galvanometer. What will be the magnitude and direction of the current through the Galvanometer if \(R_{3}\) changes to \(3003 \Omega ?\)
Homework Answers
7.- The Wheatstone Bridge. The circuit shown in the figure, called a Wheatstone bridge, is used...
7.- The Wheatstone Bridge. The circuit shown in the figure, called a Wheatstone bridge, is used to determine the value of an unknown resistor \(X\) by comparison with three resistors \(M, N\), and \(P\) whose resistances can be varied. For each setting, the resistance of each resistor is precisely known. With switches \(K_{1}\) and \(K_{2}\) closed, these resistors are varied until the current in the galvanometer \(G\) is zero; the bridge is then said to be balanced. (a) Show that...
4. Analogue to digital converter (ADC) is one of the data processing. i. Describe the term quantization errot, sample af signal i ADK i. A 9 bits ADC is used in an electronic device for the mu...
4. Analogue to digital converter (ADC) is one of the data processing. i. Describe the term quantization errot, sample af signal i ADK i. A 9 bits ADC is used in an electronic device for the murnt of analogue signal within the range of -TV to +TV. If an an measured as +3.2V, determine the value shows by the ADC (5 marks) The Wheatstone bridge circuit shown in the following figure is used to messure the resistance of a strain...
4. To precisely measure the change in the electrical resistance of a strain gauge, we commonly...
4. To precisely measure the change in the electrical resistance of a strain gauge, we commonly use the Wheatstone bridge. Consider the Wheatstone bridge shown below Derive the expression for Vo in terms of VEx, RI, R2, R3, and R4. Under what condition is the bridge balanced, that is, Vo 0 a. b. Let Resistor 2 represent a strain gauge, whose resistance changes from R2 to R2+ dR2. The resistances of all the other resistors stay fixed. This is called...
In the circuit shown below the ammeter consists of a galvanometer, with resistance Rg = 100...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
A 120 ? strain gauge with a gauge factor of 2 is mounted on a beam...
A 120 Ω strain gauge with a gauge factor of 2 is mounted on a beam and connected in a Wheatstone bridge as shown in Figure Q1a. The bridge is powered by a 12 V DC supply in series with a 510 Ω resistance. The beam is subject to a tensile force, which produces an axial strain of 940 microstrain measured by the strain gauge .a) Under no strain, calculate the current in the strain gauge and the power dissipated by the...
Four strain gauges are mounted on a cantilever beam in a configuration like that shown in Error! Reference source not f...
Four strain gauges are mounted on a cantilever beam in a configuration like that shown in Error! Reference source not found. 6. It is used to measure vibrational bending moment that is applied to the beam itself. The specifications of the load cell are given as follows .Modulus of Elasticity: E-120 GPa · Beam dimensions (Length × Height (h) × Width (b)): 25cm × 0.75cm × 2.5cm .Non-deflected resistances of the strain gauges-3002 Strain gauge factor-3 .Wheatstone bridge voltage supply...
As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam...
As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. Al resistors including the gage itself is 1202. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load (a). when a downward load is added, will...
P2: (40points) As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the b...
P2: (40points) As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. All resistors including the gage itself is 12002. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load Strain gage Fig.1 Ri R2 DC...
Figure 3 shows a schematic arrangement of an in-line tension meter, commonly used to sense the te...
PART B pls ty
Figure 3 shows a schematic arrangement of an in-line tension meter, commonly used to sense the tension T across a cable. The cable is routed through three pulleys (P1, P2 and Ps). As shown in Figure 3, only one of the pulleys (P2) is attached to the free end of a cantilever beam, sensorized with a set of four strain gauges in a full Wheatstone electrical configuration. The other two pulleys (P and P3) are 2...
Question 4 of 6 > The circuit shown has three identical resistors in series with device...
Question 4 of 6 > The circuit shown has three identical resistors in series with device for measuring current (an ammeter). The value of th emf shown is 9.39 V, and each resistor has a value of 150 2. ®-WW-WW, -MW Part A: What is the total resistance of this circuit (Rey)? Rog Part B: What is the value of the current (1) flowing out of the emf? А Part C: What is the value of the voltage drop (AV)...
7.- The Wheatstone Bridge. The circuit shown in the figure, called a Wheatstone bridge, is used to determine the value of an unknown resistor \(X\) by comparison with three resistors \(M, N\), and \(P\) whose resistances can be varied. For each setting, the resistance of each resistor is precisely known. With switches \(K_{1}\) and \(K_{2}\) closed, these resistors are varied until the current in the galvanometer \(G\) is zero; the bridge is then said to be balanced. (a) Show that...
4. Analogue to digital converter (ADC) is one of the data processing. i. Describe the term quantization errot, sample af signal i ADK i. A 9 bits ADC is used in an electronic device for the murnt of analogue signal within the range of -TV to +TV. If an an measured as +3.2V, determine the value shows by the ADC (5 marks) The Wheatstone bridge circuit shown in the following figure is used to messure the resistance of a strain...
4. To precisely measure the change in the electrical resistance of a strain gauge, we commonly use the Wheatstone bridge. Consider the Wheatstone bridge shown below Derive the expression for Vo in terms of VEx, RI, R2, R3, and R4. Under what condition is the bridge balanced, that is, Vo 0 a. b. Let Resistor 2 represent a strain gauge, whose resistance changes from R2 to R2+ dR2. The resistances of all the other resistors stay fixed. This is called...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
A 120 Ω strain gauge with a gauge factor of 2 is mounted on a beam and connected in a Wheatstone bridge as shown in Figure Q1a. The bridge is powered by a 12 V DC supply in series with a 510 Ω resistance. The beam is subject to a tensile force, which produces an axial strain of 940 microstrain measured by the strain gauge .a) Under no strain, calculate the current in the strain gauge and the power dissipated by the...
Four strain gauges are mounted on a cantilever beam in a configuration like that shown in Error! Reference source not found. 6. It is used to measure vibrational bending moment that is applied to the beam itself. The specifications of the load cell are given as follows .Modulus of Elasticity: E-120 GPa · Beam dimensions (Length × Height (h) × Width (b)): 25cm × 0.75cm × 2.5cm .Non-deflected resistances of the strain gauges-3002 Strain gauge factor-3 .Wheatstone bridge voltage supply...
As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. Al resistors including the gage itself is 1202. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load (a). when a downward load is added, will...
P2: (40points) As shown below (Fig.1), A strain gage with gage factor of 2.02 is mounted on the bottom of a beam to measure the strain on the surface of the beam. The beam's Young's Modulus is 193 GPa. A wheatstone bridge circuit was constructed as sketched in Fig. 2. All resistors including the gage itself is 12002. Supply voltage is 5.0 V DC. The bridge is initially balanced when there is no load Strain gage Fig.1 Ri R2 DC...
PART B pls ty
Figure 3 shows a schematic arrangement of an in-line tension meter, commonly used to sense the tension T across a cable. The cable is routed through three pulleys (P1, P2 and Ps). As shown in Figure 3, only one of the pulleys (P2) is attached to the free end of a cantilever beam, sensorized with a set of four strain gauges in a full Wheatstone electrical configuration. The other two pulleys (P and P3) are 2...
Question 4 of 6 > The circuit shown has three identical resistors in series with device for measuring current (an ammeter). The value of th emf shown is 9.39 V, and each resistor has a value of 150 2. ®-WW-WW, -MW Part A: What is the total resistance of this circuit (Rey)? Rog Part B: What is the value of the current (1) flowing out of the emf? А Part C: What is the value of the voltage drop (AV)...
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