Note: Round off your answer to the nearest whole number. Input the numerical value only. Problem. A composite wire to be used as an integral component of a switch in an electrical device is composed of wire A and wire B. The wire has effective linear expansion coefficient of 0.000023 per Celsius-degree. What percentage of the total length of the composite wire is wire B? The linear expansion.coefficient of wire A is 0.000012 per Celsius-degree. The linear expansion coefficient of wire B is 0.000034 per Celsius-degree.

Note: Round off your answer to the nearest whole number. Input the numerical value only. Problem. A composite wire to be used as an integral component of a switch in an electrical device is composed of wire A and wire B. The wire has effective linear expansion coefficient of 0.000023 per Celsius-degree. What percentage of the total length of the composite wire is wire B? The linear expansion.coefficient of wire A is 0.000012 per Celsius-degree. The linear expansion coefficient of wire B is 0.000034 per Celsius-degree.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 4P

See similar textbooks

Similar questions

A composite wire to be used as an integral component of a switch in an electrical device is composed of wire A and wire B. The wire has effective linear expansion coefficient of 0.000020 per Celsius-degree. What percentage of the total length of the composite wire is wire B? The linear expansion coefficient of wire A is 0.000011 per Celsius-degree. The linear expansion coefficient of wire B is 0.000034 per Celsius-degree.
A thermocouple, with a spherical junction diameter of 0.5 mm, is used for measuring the temperature of hot air flow in a circular duct. The convection heat transfer coefficient of the air flow can be related with the diameter (D) of the spherical junction and the average air flow velocity (V) as h = 2.2(V/D)0.5, where D, h, and V are in m, W/m2?K and m/s, respectively. The properties of the thermocouple junction are k = 35 W/m?K, r = 8500 kg/m3, and cp = 320 J/kg?K. Determine the minimum air flow velocity that the thermocouple can be used, if the maximum response time of the thermocouple to register 99 percent of the initial temperature difference is 5 s.
What is the physical significance of the Biot number? Is the Biot number more likely to be larger for highly conducting solids or poorly conducting ones?
Super Invar, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion (0.20×× 10^-6 celcius). A 2.5 m -long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerances are required. A) How much will this alloy table expand along its length if the temperature increases 7.0 C∘? Express your answer to two significant figures and include the appropriate units. B) How much will a 2.5-m-long table made of steel expand along its length if the temperature increases 7.0 C∘? Express your answer to two significant figures and include the appropriate units.
If NA is Avogadro's number, and kB is Boltzmann's constant, which of the following expressions correctly represents the ideal gas contant? a. b. c. d. e.
Compute (a) the number of moles and (b) the number of molecules in 6.7 cm3 of an ideal gas at a pressure of 44 Pa and a temperature of 290 K.
An aluminum wire is wrapped in rubber insulation. Both are subject to thermal expansion, with the following coefficients of linear expansion: alphaa=24· 10−6 1/C and alphar=8· 10−5 1/C . If the wire and insulation are the same length of 1.85m at a temperature of20.00°C, what is the difference in length (in MILLIMETERS) between the copper wire and the rubber insulation when heated up to a temperature of 189.00°C? Express a magnitude only (no negatives!). ______mm (MILLIMETERS!)
The average kinetic energy of the molecules in a gas sample depends only on the temperature, ?. However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed. where ?=8.314 J/(mol⋅K) and ℳ is molar mass in kilograms per mole. Note that a joule is the same as a kilogram‑meter squared per second squared (kg·m2/s2). What is the rms speed of Cl2 molecules at 401 K? What is the rms speed of He atoms at 401401 K?
A glass flask whose volume is 1000.00 cm3cm3 at 0.0∘C∘C is completely filled with mercury at this temperature. When flask and mercury are warmed to 54.5 ∘C∘C, 8.75 cm3cm3 of mercury overflow. Part A If the coefficient of volume expansion of mercury is 18.0×10−5K−118.0×10−5K−1, compute the coefficient of volume expansion of the glass. Express your answer in inverse Celsius degrees.
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (−78.5°C) and in boiling ethyl alcohol (78°C). The separate pressures are 0.915 atm and 1.663 atm. Hint: Use the linear relationship P = A + BT, where A and B are constants. (a) What value of absolute zero does the calibration yield?(b) What pressure would be found at the freezing point of water?(c) What pressure would be found at the boiling point of water?
A 3.00 LL tank contains air at 3.00 atmatm and 20.0∘C∘C. The tank is sealed and cooled until the pressure is 1.00 atmatm. What is the temperature then in degrees Celsius? Assume that the volume of the tank is constant. Express your answer in degrees Celsius. If the temperature is kept at the value found in part A and the gas is compressed, what is the volume when the pressure again becomes 3.00 atmatm? Express your answer with the appropriate units.
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (−196°C) and in boiling methyl alcohol (64.7°C). The separate pressures are 0.344 atm and 1.556 atm. Hint: Use the linear relationship P = A + BT, where A and B are constants. (a) What value of absolute zero does the calibration yield?? °C(b) What pressure would be found at the freezing point of water? ?atm(c) What pressure would be found at the boiling point of water? ?atm