A conducting wire is 2 mm in radius and 100 m in length. When a dc voltage

Question:

A conducting wire is 2 mm in radius and 100 m in length. When a dc voltage of 9 V is applied to the wire, it results in a current of 0.3 A. Find:

(a) The E-field in the wire,
(b) The conductivity of the wire.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Elements Of Electromagnetics

ISBN: 9780190698614

7th Edition

Authors: Matthew Sadiku

See More Books

Question Posted: Jan 11, 2023 02:50 AM

See More Questions

A conducting wire is quadrupled in length and tripled in diameter. (a) Does its resistance increase, decrease, or stay the same? Explain. (b) By what factor does its resistance change?
A conducting wire is parallel to the y axis. It moves in the positive x direction with a speed of 20 m/s in a magnetic field B = 0.5 T k. (a) What are the magnitude and direction of the magnetic...
A voltage V is applied to a dc electric motor. The armature winding resistance is equal to R. At what value of current flowing through the winding will the useful power of the motor be the highest?...
Joshua Tree Inc. reported that at the end of 2012 net accounts receivable of 2,050 (the net value at the end of 2011 was 1,090). Their allowance for doubtful accounts at the end of 2012 was 150 (the...
One sample has SS = 36 and a second sample has SS = 18. a. If n = 4 for both samples, find each of the sample variances and compute the pooled variance. Because the samples are the same size, you...
Determine whether the following series converge absolutely, converge conditionally, or diverge. (-1)* k 00 k + 1 k=1
Figure P27.18 shows three particles passing near the north end of a bar magnet. Particle 1 is an electron, and particles 2 and 3 are protons. All three particles move at the same speed. (a) Determine...
On April 15, Hass Corporation, a wholesaler of hydraulic lifts, acquired land in exchange for 17,500 shares of $20 par common stock with a current marker price of $30. Journalize the entry to record...
6. Consider two G.P.'s. 2, 22, 23, and 4, 4, 4, of 60 and n terms respectively. If the 225 n geometric mean of all the 60 + n terms is (2), then k(n-k) is equal to: (a) 560 (b) 1540 (c) 1330 (d) 2600
The cross section of a conductor made with two materials with resistivities 1 and 2 is shown in Figure 5.19. Find the resistance of length of the conductor. b a P P
The principle of charge conservation, the basis of Kirchhoffs current law, is stated in the continuity equation V.J+ at = 0
Explain why the second equation operation in Definition EO requires that the scalar be nonzero, while in the third equation operation this restriction on the scalar is not present.
Scenario #4 After several years of decline, the market for disposable cameras is making a comeback. Explain whether supply or demand is being affected. Also explain how each of the following events...
Activity 5.1 Perform a comprehensive on-site risk maturity assessment of your municipality using the questionnaire in Annexure K. Hint: File your completed assessment behind this activity
Explain why individuals should have investment goals, and describe the associated risks and returns for at least two types of investments. Additionally, identify the different types of asset classes...
Particles q1, q2, and q3 are in a straight line. Particles q1 = -28.1 C, q2 = +25.5 C, and 93-47.9 C. Particles q1 and q2 are separated by 0.300 m. Particles q2 and q3 are separated by 0.300 m. What...
Four years ago, Nopay Inc. paid a dividend of $ 0 . 8 0 per share. Today Nopay paid a dividend of S 1 . 6 6 per share. It is expected that the company will pay dividends growing at this same rate for...
What can any retailer learn from this case? Describe.
In the circuit shown in Figure 4, a battery supplies a constant voltage of 40 V, the inductance is 2 H, the resistance is 10, and l(0) = 0. (a) Find l(t). (b) Find the current after 0.1s.
A linear network has a current input 4cos( t + 20)A and a voltage output 10 cos(t +110) V. Determine the associated impedance.
Simplify the following: (a) f(t) = 5 cos(2t + 15(º) - 4sin(2t -30º) (b) g(t) = 8 sint + 4 cos(t + 50º) (c) (10cos 40 +50sin 40r)dh
An alternating voltage is given by v(t) = 20 cos(5t - 30 o ) V. Use phasors to find Assume that the value of the integral is zero at t = - . dv
FindMe Incorporated, (FI) has developed a coin-sized tracking tag that attaches to key rings, wallets, and other items and can be prompted to emit a signal using a smartphone app. Fl sells these...
Assume that a company provided the following excerpts of information from its flexible budget performance report: Flexible Planning Actual Results Budget Budget Flights (q) 55 ? 50 Revenue ($225.00q)...
Owen, age 69 and Kimberly, age 64 elect to file Married Filing Jointly. Neither taxpayer is blind. Owen is retired. He received Social Security benefits and a pension. Owen and Kimberly's daughter...

A conducting wire is 2 mm in radius and 100 m in length. When a dc voltage

Question:

Step by Step Answer:

a b ...View the full answer

Elements Of Electromagnetics

Students also viewed these Engineering questions