Magnitude of flux through wedding ring

In summary, the problem states that the Earth's magnetic field at a certain location in the UK has a magnitude of 48 μT and is directed at 66° below the horizontal. The goal is to determine the magnitude of flux through a wedding ring of diameter 2.2 cm held in a horizontal plane. The equation B*A*cos(theta) is used, but the use of 48 μT for the magnetic field is causing confusion. μT stands for micro-Tesla, which is one millionth of a Tesla. Additionally, 66° below the horizontal is not equal to 66° from the perpendicular and is actually 29 degrees from the perpendicular.
  • #1
the problem is stated as
The Earth’s magnetic field at a certain location in the UK has a magnitude of 48 μT and is directed at 66° below the horizontal.

a)Determine the magnitude of the flux of the Earth’s magnetic field through a
wedding ring of diameter 2.2 cm when the ring is held in a horizontal plane.

ok so i have used the equation B*A*cos(theta)

the only thing slowing me down is the use of 48 μT . I am not sure how to work this into the equation. I am led to believe that μ is the permuabilty of space so not sure what is meant by μT for the magnetic field of the Earth. I have probably overlooked it in my text and can't find the relevant part now.
Also i am guessing that 66° below the horizontal is equal to 66° from the perpendicular.
 
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  • #2
ghostbuster25 said:
the only thing slowing me down is the use of 48 μT . I am not sure how to work this into the equation. I am led to believe that μ is the permuabilty of space so not sure what is meant by μT for the magnetic field of the Earth. I have probably overlooked it in my text and can't find the relevant part now.

μT means micro-Tesla. 1 μT is one millionth of a Tesla.
Also i am guessing that 66° below the horizontal is equal to 66° from the perpendicular.

No. Try drawing it out; this is not true.
 
  • #3
ahhh yes that makes sense now thanks :)

with regards to the 66 below the horizontal...if the horizontal is 0 degrees, and perpendicular is 90 degrees is it simply just 29degrees from the perpendicular?
 

1. What is the magnitude of flux through a wedding ring?

The magnitude of flux through a wedding ring depends on various factors, such as the material of the ring, the strength of the magnetic field, and the size of the ring. Generally, the magnitude of flux through a wedding ring is very small.

2. Is the magnitude of flux through a wedding ring constant?

No, the magnitude of flux through a wedding ring can vary depending on external factors, such as the strength and direction of the magnetic field. It can also change if the ring is made of a different material or if its size is altered.

3. How does the magnitude of flux through a wedding ring affect its appearance?

The magnitude of flux through a wedding ring is too small to have any visible effect on its appearance. It does not cause any changes in the color, shape, or size of the ring.

4. Can the magnitude of flux through a wedding ring be measured?

Yes, the magnitude of flux through a wedding ring can be measured using a device called a magnetometer. However, the results may vary depending on the sensitivity and calibration of the particular instrument used.

5. Does the magnitude of flux through a wedding ring have any significance?

In most cases, the magnitude of flux through a wedding ring is too small to have any practical significance. However, in certain specialized fields of study, such as materials science and electromagnetism, it may be of interest for research purposes.

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