- #1

- 6

- 0

I have a problem to share with you guys.

How can I calculate the thickness of my solenoid if I have these values;

Solenoid long : 20cm

magnetic field, B : 5Tesla

Current, I : 20A

Thanks a lot for your help. I appreciate that

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- #1

- 6

- 0

I have a problem to share with you guys.

How can I calculate the thickness of my solenoid if I have these values;

Solenoid long : 20cm

magnetic field, B : 5Tesla

Current, I : 20A

Thanks a lot for your help. I appreciate that

- #2

Science Advisor

Homework Helper

- 1,585

- 0

- #3

- 6

- 0

5T, yeah I know , it's a lot. is it possible?

- #4

- 6

- 0

B=μnI this is only valid if the proportion between the thickness and the longeur is huge.

- #5

Science Advisor

Homework Helper

- 1,585

- 0

5T, yeah I know , it's a lot. is it possible?

Since stronger magnets have been built, it's possible.

Within any construction constraints you might have, no idea.

Good luck with that.

- #6

- 62

- 0

For example,formula for [tex]B[/tex] in center of solenoid is:

[tex]B=\frac{\mu_0NI}{\sqrt{4R^2+l^2}}[/tex]

- #7

- 6

- 0

For example,formula for [tex]B[/tex] in center of solenoid is:

[tex]B=\frac{\mu_0NI}{\sqrt{4R^2+l^2}}[/tex]

It's in the air at the center of the solenoid.

p/s:

I found a formula

[tex]B=\frac{\mu_0NI}{\sqrt{R^2+l^2}}[/tex]

So now I confuse, it's 4R^2 or R^2?

- #8

- 62

- 0

You are right,it is error in my book.But still you don`t have [tex]N[/tex] given.

- #9

- 6

- 0

- #10

- 62

- 0

the thickness of the solenoid depends on the value of N.

[tex]N[/tex] is number of loops.

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