Theory and Design for Mechanical Measurements
6th Edition
ISBN: 9781118881279
Author: Richard S. Figliola, Donald E. Beasley
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 11, Problem 11.6P
Compare the resistance of a volume of k X IO-2* m3 of aluminum wire having a diameter of 2 mm, with the same volume of aluminum formed into 1-mm-diameter wire. (The resistivity of aluminum is 2.66 X 10"8 Q m.)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Determine the resistance of a copper wire
that has a cross-sectional area as 8.2 mm2.
The length and the electrical resistivity of the
copper wire are 77.1 m and 1.68 x 10-6 Qm.
The resistance of a copper wire (in 2)
A square cross-section v-notched specimen
of height 75 mm has each side of 11 mm has
been selected to perform Charpy impact
test. Determine the notch thickness, if the
cross-sectional area at notch is 104.5 mm2.
Notch thickness (in mm)
The accepted resistivity value at room temperature for copper wire is 1.7421 x 10-8 ohm meter. please explain why or why not the measurements recorded are within some percent error of thius value. calculate resistivity and show the percent error. Use R=p L/A
Using the formula calculate p
3. The temperature dependence of the resistivity of copper and copper - nickel alloys is shown in the figure
below. Explain the reason why the resistivity is increased with Ni amount. What is the residual resistivity?
Explain it.
t
Pres
C
Cu-3 at.% Ni
Cu-2 at.% Ni
Cu-1 at.% Ni
Cu
Chapter 11 Solutions
Theory and Design for Mechanical Measurements
Ch. 11 - Prob. 11.1PCh. 11 - 11.2 Calculate the change in length of a steel rod...Ch. 11 - 11.1 Calculate the change in length of a steel rod...Ch. 11 - 11.2 Calculate the change in length of a steel rod...Ch. 11 - 11.5 An electrical coil is made by winding copper...Ch. 11 - Compare the resistance of a volume of k X IO-2* m3...Ch. 11 - A conductor made of nickel (p, = 6.8 x 10-8 Q m)...Ch. 11 - Consider a Wheatstone bridge circuit that has all...Ch. 11 - 11.9 Consider a Wheatstone bridge circuit that has...Ch. 11 - 11.10 A resistance strain gauge with R = 120 Q and...
Ch. 11 - 11.11 A strain gauge that has a nominal resistance...Ch. 11 - Prob. 11.12PCh. 11 - 11.13 A single strain gauge is mounted as shown in...Ch. 11 - 11.14 A single strain gauge is mounted on a...Ch. 11 - 11.15 Equation 11.15 provides an expression for...Ch. 11 - 11.17 A steel beam member (vp = 0.3) is subjected...Ch. 11 - An axial strain gauge and a transverse strain...Ch. 11 - A strain gauge is mounted on a steel cantilever...Ch. 11 - Two strain gauges are mounted so that they sense...Ch. 11 - A rectangular bar is instrumented with strain...Ch. 11 - 11.23 A round member having a cross-sectional area...Ch. 11 - 11.24 A square structural member having a cross...Ch. 11 - 11.25 Show that the use of a dummy gauge together...Ch. 11 - Show that four strain gauges mounted to a shaft...Ch. 11 - 11.27 For each bridge configuration described...Ch. 11 -
Figure 11.25 Bridge arrangement for Problems...Ch. 11 - Prob. 11.29PCh. 11 - Prob. 11.30P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A RTD made up of platinum has a =0.00385 and has a initial resistance of 400. Find the value of resistance Rt for the following temperatures. Temperature Resistance (Rt) 270 470 1.Resistance (Rt) at Temperature 270°C = 2. Resistance (Rt) at Temperature 470°C =arrow_forwardDetermine the resistance of an aluminium coil of 1.3 cm as diameter consists of 13100 turns and the mean length per turn is 44 cm. Take the electrical resistivity aluminium coil as 0.017 μΩ–m. The area in cm2 = The total length in m = The resistance of the coil in Ω =arrow_forwardmetal wires silicon frame cantilever doped piezoresiston silicon frame A fixed-free cantilever is made of single-crystal silicon. The resistor is made by diffusion doping, with a Gauge factor of 100. The length, width, and thickness of the cantilever are 100um, 20um, and 5um respectively. If a force F=10 uN is applied at the end of the cantilever as illustrated in the figure what would be the percentage change of resistance? The Young's modulus of silicon of the resistor is 130 GPa.arrow_forward
- What is the resistance R of a length of copper wire whose length = 10 m and whose diameter = 0.10 mm?arrow_forward1. The resistivity of aluminum is 2.8 x 10-8 Nm. How long (in meters) a piece of aluminum wire 1.0 mm diameter is needed to give a resistance of 4.0 0?arrow_forwardExample 1.6 Solid copper wire having a diameter of 1.63 mm is used to provide electrical distribution to outlets and light sockets . Determine the resistance of 75 meters of a solid copper wire having the above diameter . Resistivity of copper at 20 C is 8 1.723 * 10-8 22.m.arrow_forward
- At room temperature (20°C) the electrical conductivity of Gallium phosphide (GaP) is 63 (2.m)–1, whereas the electron and hole mobility are 0.24 and 0.057 m²/V-s, respectively. a) Compute the intrinsic carrier concentration for GaP at room temperature, (q=1.6 x 10 -19 c). b) If the energy gap of GaP is 0.92 eV, calculate its conductivity at 70°C (k= 8.62 x 10 eV/K). -5arrow_forwardmetal wires silicon frame cantilever doped piezoresistor silicon frame A fixed-free cantilever is made of single-crystal silicon. The resistor is made by diffusion doping, with a Gauge factor of 100. The length, width, and thickness of the cantilever are 100µm, 20µm, and 5um respectively. If a force F=10 µN is applied at the end of the cantilever as illustrated in the figure what would be the percentage change of resistance? The Young's modulus of silicon of the resistor is 130 GPa.arrow_forwardThe resistance of a copper wire is (0.92 Q) at a temperature of (4 oC). At what temperature will be resistance be (1.06 Q)?arrow_forward
- A copper conductor has a resistance of 80 Ω at room temperature. If resistance temperature coefficient of copper 0.003899 (1/˚C). Calculate the resistance if the temperature is increased to 75˚C.arrow_forwardM4.25 (Sl units) What is the resistance R of a length of copper wire whose length 10 m and whose diameter 0.30 mm? Use Table 4.3 of the book for reference. Round to the nearest thousandth of an ohm ()arrow_forwardDetermine the length of a copper wire that has a cross-sectional area as 8.1 mm?. The resistance and the electrical resistivity of the copper wire are 14 N and 1.79 x 10-6 Qm. The length of a copper wire (in meters)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Heat Transfer (Activate Learning wi...Mechanical EngineeringISBN:9781305387102Author:Kreith, Frank; Manglik, Raj M.Publisher:Cengage Learning
Principles of Heat Transfer (Activate Learning wi...
Mechanical Engineering
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Cengage Learning
Understanding Conduction and the Heat Equation; Author: The Efficient Engineer;https://www.youtube.com/watch?v=6jQsLAqrZGQ;License: Standard youtube license