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What is the magnitude of the magnetic dipole moment μ of the solenoid described in Problem 51?

Short Answer

Expert verified

The magnitude of the magnetic dipole moment is0.46Am2.

Step by step solution

01

Listing the given quantities:

The length,l=25  cm=0.25m

The diameter,d=10  cm=0.10m

The number of turns,N=200

The current,i=0.29 A

02

Understanding the concept of magnetic field:

The magnitude of the magnetic dipole moment can be defined as the product of number of turns, current in that loop, and the area of that loop. Using this concept, you can calculate the magnitude of the magnetic dipole moment.

Formula:

The magnetic dipole moment is,

μ=NiA

Here, Nis the number of turns,i is the current,A is the area.

03

Calculations of the magnitude of the magnetic dipole moment:

To calculate the radius of the loop as

R=d2=0.10m2=0.05m

Now the magnetic dipole moment is given by,

μ=NiA=NiπR2=200×0.29A×3.14×(0.05m)2=0.46Am2

Hence, the magnitude of the magnetic dipole moment is 0.46Am2.

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Most popular questions from this chapter

Figure 29-32 shows four circular Amperian loops (a, b, c, d) and, in cross section, four long circular conductors (the shaded regions), all of which are concentric. Three of the conductors are hollow cylinders; the central conductor is a solid cylinder. The currents in the conductors are, from smallest radius to largest radius, 4 A out of the page, 9 A into the page, 5 A out of the page, and 3 A into the page. Rank the Amperian loops according to the magnitude ofB.dsaround each, greatest first.

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