A steady current I flows down a long cylindhcal wire of radius a (Fig. 5.40). Find the

Question:

A steady current I flows down a long cylindhcal wire of radius a (Fig. 5.40). Find the magnetic field, both inside and outside the wire, if

(a) The current is uniformly distributed over the outside surface of the wire.

(b) The current is distributed in such a way that J is proportional to s, the distance from the axis.

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

Step by Step Answer:

Related Book For book-img-for-question

Introduction to Electrodynamics

ISBN: 978-8120316010

3rd Edition

Authors: David J. Griffiths

See More Books

Question Posted: Nov 26, 2010 06:47 AM

See More Questions

In Problem 67, find the magnetic field at points C and D when d = 3.3 cm and I = 6.50 A. -d- -d- -d- -d-
A charge q is uniformly distributed over the volume of a sphere of radius. Assuming the permittivity to be equal to unity throughout, find the potential (a) At the centre of the sphere; (b) Inside...
A current I flows down a long straight wire of radius a. If the wire is made of linear material (copper, say, or aluminum) with susceptibility Xm, and the current is distributed uniformly, what is...
The information to prepare the statement of cash flows comes from all of the following sources except: a. comparative balance sheets. b. additional transaction data about cash provided or used during...
The Fed buys $100 million of bonds from the public and also lowers the required reserve ratio. What will happen to the money supply?
Century Company, a diversified manufacturing company, had four separate operating divisions engaged in the manufacture of products in each of the following areas: food products, health aids,...
The data set lists the out-of-pocket prescription medicine expenses (in dollars) for 30 U.S. adults in a recent year. Construct a frequency distribution that has seven classes. 200 239 155 252 384...
Why is it important for an organization to have an information security policy?
Solve the initial value problem dy(x)+3a y(x) = cos (5x) e (-23). y(x)= y (0)=-1
The Toyota Camry is one of the best-selling cars in North America. The cost of a previously owned Camry depends on many factors, including the model year, mileage, and condition. To investigate the...
Suppose you have two infinite straight line charges , a distance d apart, moving along at a constant speed v (Fig. 5.26). How great would v have to be in order for the magnetic attraction to balance...
A thick slab extending from z = ?? a to z = + a carries a uniform volume current J = J x (Fig. 5.41). Find the magnetic field, as a function of z, both inside and outside the slab. +a -a X N y
In an article in Barrons on April 21, 2008, a commentator remarked, "As one of the world's largest makers of bathroom tissue and baby diapers, Kimberly-Clark knows a thing or two about bottoms....
Now you switch places with your friend, who has twice your mass. You give your friend a gentle push so that he swings out over the creek. How long will it be until he swings back to where he started?...
Rank in order the following according to their speeds, from slowest to fastest: (i) 425 -nm-wavelength light through a pane of glass, (ii) 500-nm-wavelength light through air, (iii)...
Two narrow slits are $0.12 \mathrm{~mm}$ apart. Light of wavelength $550 \mathrm{~nm}$ illuminates the slits, causing an interference pattern on a screen $1.0 \mathrm{~m}$ away. Light from each...
Two loudspeakers in a $20^{\circ} \mathrm{C}$ room emit $686 \mathrm{~Hz}$ sound waves along the $x$-axis. What is the smallest distance between the speakers for which the interference of the...
Two loudspeakers $42.0 \mathrm{~m}$ apart and facing each other emit identical $115 \mathrm{~Hz}$ sinusoidal sound waves in a room where the sound speed is $345 \mathrm{~m} / \mathrm{s}$. Susan...
A lens can be used to start a fire by focusing an image of the sun onto a piece of flammable material. All other things being equal, would a lens with a short focal length or a long focal length be...
In Problem use absolute value on a graphing calculator to find the area between the curve and the x axis over the given interval. Find answers to two decimal places. y = x 3 ln x; 0.1 x 3.1
Gary Sgouros purchased a credit report from TransUnions website, hoping to use the high numbers to negotiate a favorable loan at a dealership. However, the credit score he received from TransUnion...
A position-time graph for a particle moving along the x axis is shown in Figure P2.7. (a) Find the average velocity in the time interval t = 1.50 s to t = 4.00 s (b) Determine the instantaneous...
(a) Use the data in Problem 1 to construct a smooth graph of position versus time. (b) By constructing tangents to the x (t) curve, find the instantaneous velocity of the car at several instants. (c)...
Find the instantaneous velocity of the particle described in Figure P2.3 at the following times: (a) t = 1.0 s, (b) t = 3.0 s (c) t = 4.5 s, and (d) t = 7.5 s
Active Life Ltd has decided to manufacture a new line of running shoes based on a $50,000, two-year feasibility study. The shoes will sell for $85 a pair and has a variable cost of $30 a pair. It is...
Arch Airway expects to purchase 5.6 million gallons of jet fuel in three months and decides to use heating oil futures to hedge the fuel price risk. A regression has been performed: The dependent...
On March 1 the price of oil is $60 and the July futures price is $59. On June 1 the price of oil is $62 and the July futures price is $63.50. A company entered into a futures contracts on March 1 to...

A steady current I flows down a long cylindhcal wire of radius a (Fig. 5.40). Find the

Question:

Step by Step Answer:

a B d 1 dl B2s Holenc B 2nks 3 b J ...View the full answer

Introduction to Electrodynamics

Students also viewed these Electrodynamics questions