A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating
Question:
A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating about an axis through its center and perpendicular to its plane, at an angular speed w.
(a) Show that the magnetic moment due to the rotating charge has magnitude μ = 1/2qwr2.
(b) What is the direction of this magnetic moment if the charge is positive?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 44% (9 reviews)
a The period of rotation is T 2n and in this time all the charge passes any fixed poin...View the full answer
Answered By
Utsab mitra
I have the expertise to deliver these subjects to college and higher-level students. The services would involve only solving assignments, homework help, and others.
I have experience in delivering these subjects for the last 6 years on a freelancing basis in different companies around the globe. I am CMA certified and CGMA UK. I have professional experience of 18 years in the industry involved in the manufacturing company and IT implementation experience of over 12 years.
I have delivered this help to students effortlessly, which is essential to give the students a good grade in their studies.
3.50+
2+ Reviews
10+ 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
-
A wheel is turning about an axis through its center with constant angular acceleration. Starting from rest, at t = 0, the wheel turns through 8.20 revolutions in 12.0 s. At t = 12.0 s the kinetic...
-
A thin wire ring of radius r carries a charge q. Find the magnitude of the electric field strength on the axis of the ring as a function of distance l from its centre. Investigate the obtained...
-
A non-conducting ring of radius R is uniformly charged with a total positive charge q. The ring rotates at a constant angular speed 4 about an axis through its center, perpendicular to the plane of...
-
Why are lipids and proteins free to move laterally in membranes? O a. Lipids and proteins repulse each other in the membrane O b. The interior of the membrane is filled with liquid water Oc. There...
-
Many would argue that Starbucks coffee is expensive, and yet customers get "value" for their money. How do you think Starbucks has been able to transfer this business model and value proposition to...
-
The accounting records for ADR, Inc. reflected the following amounts at the end of August 2013: Cash ............ $3,500 Total Operating Expenses ... 3,700 Accounts Payable ..... 4,500 Total...
-
On December 31, 2017, Kim Company issued \(\$ 500,000\) of five-year, 12 percent bonds payable for \(\$ 538,609\), yielding an effective interest rate of ten percent. Interest is payable semiannually...
-
There is a parcel of land next to the Playful Paws, Inc. building. Ellen, the owner of this property, approached John to discuss the idea of selling it to him. John is interested. Ellen knows that...
-
Contribution margin and contribution margin ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions): Sales Food and paper Payroll and...
-
Richard chooses technique 0 and 2 requiring 10+10-20 efforts and provising 10+11=21 benefits. Hence, 21 is returned as the output Example 2: input1: 3 input2: (10,10,10,10) input3: (10,11,12,15)...
-
A parallel-plate capacitor with circular plates of radius 55.0 mm is being charged. At what radius (a) Inside and (b) Outside the capacitor gap is the magnitude of the induced magnetic field equal to...
-
If an electron in an atom has orbital angular momentum with m values limited by +3, how many values of (a) L orb, z and (b) orb, z can the electron have? In terms of h, m, and e, what is the...
-
The writer wants to add the following sentence to Paragraph 4: Approximately 15 sightings were reported in early 2004, all possibly of the same bird. This sentence would most logically be placed: A....
-
In the case Lee said "I noticed that on February 15, 2000, Walmart issued $1 billion in bonds with a coupon rate of 7.55 per cent. The bonds mature on February 15, 2030, around 11 years from now. I...
-
In 2020, Moldex had sales of $300 million.Operating costs, depreciation and interest were $190 million, $40 million and $15 million respectively. It's corporate tax rate is 40%. The company reported...
-
28 Compute the contribution margin ratio and fixed costs using the following data. Sales $ 5,300 Variable costs $ 3,021 Income $ 430 Contribution margin Numerator: Fixed Cost Contribution Margin...
-
Provide Walmart's strengths, weaknesses, opportunities, and threats in 2 0 2 3 compared to 2 0 2 4 . How was Walmart performing financially in 2 0 2 3 compared to 2 0 2 4 ? Provide financial filling...
-
2. Calculate planned ROA (before income tax) for MSM for 2004. You may assume 45 days for receivables, 6 turns for inventory, 30 days for payables and a minimum cash reserve of $500,000
-
A \(25 \mathrm{~kg}\) copper block at \(373 \mathrm{~K}\) is dropped into an insulated tank that contains \(80 \mathrm{~L}\) of water at \(293 \mathrm{~K}\). Determine the final equilibrium...
-
What are the 5 Cs of marketing channel structure?
-
How might the results of Gill and Prowses study support claims commonly made by company managers who are widely recognized as successful businesspeople that they have succeeded by making rapid gut...
-
In the rope climb, a 72-kg athlete climbs a vertical distance of 5.0m in 9.0s. What minimum power output was used to accomplish this feat?
-
Some electric-power companies use water to store energy. Water is pumped by reverse turbine pumps from a low to a high reservoir. To store the energy produced in 1.0hour by a 120-MW (120 x 106W)...
-
The asteroid belt between Mars and Jupiter consists of many fragments (which some space scientists think came from a planet that once orbited the Sun but was destroyed. (a) If the center of mass of...
-
What is the most difficult expense to estimate when performing product costing? Select an answer: direct labor employee wages overhead direct materials
-
Problem 12-14 Calculating Returns and Variability (LO1) You find a certain stock that had returns of 10.3 %, -17.3%, 22.3%, and 18.3% for four of the last five years. The average return of the stock...
-
Agarwal, Incorporated, has a 50-day average collection period and wants to maintain a minimum cash balance of $35 million, which is what the company currently has on hand. The company currently has a...
Study smarter with the SolutionInn App