« previous next »

Author Question: Find the magnetic energy stored in the air gap between two very large magnetic pole pieces, one ... (Read 107 times)

Cooldude101

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
Find the magnetic energy stored in the air gap between two very large magnetic pole pieces, one North, one South, each with an area of 100 cm2 . Assume the 0.05 T magnetic field is uniform within the 2-cm gap.

Question 2

The magnetic field in a superconducting solenoid is 3.0 T. How much energy per unit volume is stored in the solenoid, in J/m3? m0 = 4p  10-7 T  A/m


apple

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 28, 2018
Answer to Question 1

0.2 J

Answer to Question 2

3.6  106 J/m3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Plasma protein binding and drug availability: (a) drug exists in a free state or bound to plasma pro Plasma protein binding and drug availability: (a) drug exists in a free state or bound to plasma pro
Flow Patterns and Large-Scale Weather: The Steering of Midlatitude Cyclones Flow Patterns and Large-Scale Weather: The Steering of Midlatitude Cyclones
How to find the definite integral using the fundamental theorem of calculus (Part 1) How to find the definite integral using the fundamental theorem of calculus (Part 1)
The presence of large areas of methane hydrate The presence of large areas of methane hydrate
Find the two integers that have a sum of 20 and a maximum product Find the two integers that have a sum of 20 and a maximum product
Potential energy Potential energy
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library