Question: Copper and aluminum are being considered for a high-voltage transmission line that must carry a current of 60.0 A. The resistance per unit length is

Copper and aluminum are being considered for a high-voltage transmission line that must carry a current of 60.0 A. The resistance per unit length is to be 0.150Ω/km. The densities of copper and aluminum are 8960 and 2600 kg/m3, respectively. Compute

(a) The magnitude J of the current density and

(b) The mass per unit length), for a copper cable and

(d) λ for an aluminum cable.

Step by Step Solution

★★★★★

3.41 Rating (185 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

We use RL pA 0150 2km a For copper J iA 600 A0150 2km169 x 108 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

2-P-M-C-R (198).docx

120 KBs Word File

Students Have Also Explored These Related Electricity and Magnetism Questions!

Copper and aluminum are being considered for the cables in a high-voltage transmission line where each must carry a current of 50 A. The resistance of each cable is to be 0.15 per kilometer. (a) If...

The two machines shown are being considered for a chip manufacturing operation. Assume the MARR is a real return of 12% per year and that the inflation rate is 7% per year. Which machine should be...

The following two acceptance rules are being considered for determining whether to take delivery of a large shipment of components: A random sample of 10 components is checked, and the shipment is...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 4 8 . 4 A . The resistance per unit length is to be 0 . 1 0 2 2 / km . The densities of...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 5 4 . 1 A . The resistance per unit length is to be 0 . 1 9 4 Q / km . The densities of...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 7 4 . 0 A . The resistance per unit length is to be 0 . 2 0 0 Q / km . The densities of...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 5 3 . 4 A . The resistance per unit length is to be 0 . 1 0 6 = / km . The densities of...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 5 3 , 4 A . The resistance per unit length is to be 0 . 1 0 6 = / km . The densities of...

Copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 6 0 . 0 A . The resistance per unit length is to be 0 . 1 5 0 s / km . The densities of...

copper and aluminum are being considered for a high - voltage transmission line that must carry a current of 5 8 . 7 A . The resistance per unit length is to be 0 . 1 6 2 ohms / km . The densities of...

Q-02: In 2020, an estimated 341,831 women died from cervical cancer worldwide. 70% of these cancers are caused by just two human papillomavirus (HPV) strains: HPV16 and HPV18. Both of these strains...

When are MNEs likely to use an international joint venture? When would they opt for a strategic partnership? Defend your answer.

C for the constant o f integration. ( 8 1 + t 2 i + t e t 2 j + 5 t 2 k ) d t

Identify 3 Service organisations that would focus on the left-hand side of the process chain network and 3 service organisations that focus on the right-hand side of the process chain network? your...

Number 12.7 Please help me 12.7. An oscillating pendulum, as shown in Fig. P12.7, consists of a mass m attached to a massless sprine of spring constant k and of relaxed length 6. Find Lagrange's...

1. 12. Show that the angular deviation e of a plumb line from the true vertical at a point on Earth's sur- face at a latitude A is Ryw? sin A cos A 80 - row? cos? A where Rg is the radius of Earth.

Calculate the firm's WACC (weighted average cost of capital) assuming that Internally generated equity will satlsfy next year's common equity needs. In your solution, In addition to the calculate...

The net income of Edwards Corporation amounted to $75,000 for this year. The beginning balance of owner's equity was $30,000 and the ending balance was $72,000. The company received no new...

55. LO.6 Continue with the facts of Problem 54. What are the Federal income tax withholding requirements with respect to Martinhos sale? Who pays the withheld amount to the U.S. Treasury?

Minimizing the Tension A heavy horizontal girder of length L has several objects suspended from it. It is supported by a frictionless pivot at its left end and a cable of negligible weight that is...

Two ladders, 4.00 m and 3.00 m long, are hinged at point A and tied together by a horizontal rope 0.90 m above the floor (Fig. 11.67). The ladders weigh 480 N and 360 N, respectively, and the center...

A device for measuring compressibility consists of a cylinder filled with oil and fitted with a piston at one end. A block of sodium is immersed in the oil, and a force is applied to the piston....

3. In its Flip Your Lid contest, a coffee chain offers prizes of 50 000 free coffees, each worth $2; two new TVs, each worth $900; a snowmobile worth $16 000; and a car worth $45 000. A total of 1...

Steps to complete this project: Mark the steps as checked when you complete them. Open the start file EX 2 0 1 9 - ChallengeYourself - 5 - 3 . The file will be renamed automatically to include your...

ngag... Amount added Ending balance Server... Amount added Ending balance Sessio... Determine the amount to be added to Allowance for Doubtful Accounts in each of the following cases and indicate the...