The copper windings of a motor have a resistance of 50 at 20C when the motor is
Question:
The copper windings of a motor have a resistance of 50Ω at 20°C when the motor is idle. After the motor has run for several hours, the resistance rises to 58Ω. What is the temperature of the windings now? Ignore changes in the dimensions of the windings. (Use Table 26-1)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (20 reviews)
We use Eq 2617 ppo p...View the full answer
Answered By
Leah Muchiri
I am graduate in Bachelor of Actuarial Science and a certified accountant. I am also a prolific writer with six years experience in academic writing. My working principle are being timely and delivering 100% plagiarized free work. I usually present a precised solution to every work am assigned to do. Most of my student earn A++ GRADE using my precised and correct solutions.
4.90+
52+ Reviews
125+ Question Solved
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Question Posted:
Students also viewed these Electricity and Magnetism questions
-
The tables below provide data related to three different designs of a product. You may solve this problem in Excel. Pl. note that if vour answers are incorrect, partial credit cannot be given. Show...
-
After the press has run for some time, the lubricating oil described in Problem 8.19 heats to 212F. Compute the Reynolds number for the oil flow at this temperature. Discuss the possible operating...
-
A copper wire has a 25-m resistance at 20oC. When the wire is carrying a current, heat produced by the current causes the temperature of the wire to increase by 20oC. (a) What is the change in the...
-
Suppose a product can be produced using virgin ore at a marginal cost given by MC 1 = 0. 5q 1 and with recycled materials at a marginal cost given by MC 2 = 5 + 0. 1q 2 . (a) If the inverse demand...
-
What international transactions are included in the current account? What does the capital account include? What are the credit and the debit transactions in the current and capital accounts? What is...
-
Given the probabilities in Exercise 12, what is the probability that a person is younger than 50 given that she uses online banking? Has the probability that she is younger than 50 increased or...
-
Assuming that the necessary assumptions are met, construct a 95\% confidence interval for \(ho\) when (a) \(r=0.78\) and \(n=15\); (b) \(r=-0.62\) and \(n=32\); (c) \(r=0.17\) and \(n=35\).
-
When an ERP implementation fails, who is to blame? Is it the software manufacturer, the client firm, or the implementation strategy? Required Research this issue and write a brief paper outlining the...
-
In an airline's hiring process, all candidates were assessed on criteria such as "assertiveness," "teamwork" and "ability to have fun." Although these were age-neutral on their face, bias was...
-
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
-
A 2.0 kW heater element from a dryer has a length of 80 cm. If a 10 cm section is removed, what power is used by the now shortened element at 120 V?
-
A certain x-ray tube operates at a current of 7.00 mA and a potential difference of 80.0 kV. What is its power in watts?
-
A rigid tank contains 4 kmol O2 and 5 kmol of CO2 gases at 18oC, 100 kPa. Determine (a) the volume () of the tank.
-
When choosing business entities, you need to take many factors into account. For this paper, you will consider what you have learned about S corporations. Think about a company's tax plan and how...
-
4. (11) Suppose you own a tax preparation services company, appropriately named "MYBA Services" (MYBA = 'Minimize Your Burden of Assessment') with fixed costs of $3,000/month and marginal costs of...
-
4) Johnny loves to go to Taco Tuesdays at Rosa's Cafe. Each week on Taco Tuesday Johnny consumes tacos and sodas according to the following utility function: = U(t,s) 20t t + 18s - 3s - a. How many...
-
(A) (B) (C) (D) House Leadership Roles The Speaker of the House is the presiding officer who guides the passage of legislation favored by his or her party. The House majority leader is the floor...
-
8. 0,1 5 0,1 9. Convert the NFA in question 8 to DFA, write the formal description of the machine.
-
Understand and explain the meanings of the assumptions for the multiple regression model.
-
Information graphics, also called infographics, are wildly popular, especially in online environments. Why do you think infographics continue to receive so much attention? How could infographics be...
-
Diagram the negative punishment contingency used by Ayllon, Garber, and Allison for getting rid of a childs inappropriate nighttime visits.
-
A rocket is accelerating upward at 4.00 m/s2 from the launch pad on the earth. Inside a small 1.50kg ball hangs from the ceiling by a light 1.10-m wire. If the ball is displaced 8.50 from the...
-
A square object of mass m is constructed of four identical uniform thin sticks, each of length L, attached together. This object is hung on a hook at its upper comer (Fig. 13.37). If it is rotated...
-
An object with mass 0.200 kg is acted on by an elastic restoring force with force constant 10.0 N/m. (a) Graph elastic potential energy U as a function of displacement x over a range of x from -...
-
Let R denote the region in the xy-plane that lies in the first quadrant and is bounded by the lines y = 1 - x, y = 2 - x, y = x + 1, and y = x - 1. Set u=x+y and v = y-x. (a) Solve for x and y in...
-
Reply to The culture established by Mr. Kelleher places importance on employee happiness, which directly influences customer satisfaction and overall organizational achievements. To maintain this...
-
First, technology has a major impact on talent shortage. With the increased use of AI, there are fewer data analysis jobs required, so technology can potentially replace some forms of supply chain...
Study smarter with the SolutionInn App