Foolish Distance between Sheets

2 infinitely long thin Sheets are Placed parallel to each other at separation d if the current per unit width is J then calculate the pressure on the anyone of sheet.

DETAILS AND ASSUMPTIONS

J = 10 4 a m p / m e t e r J={ 10 }^{ 4 }\quad amp/meter .

d = 100000000000000000000 m e t r e d=100000000000000000000metre

This is Part of set Foolish Things

Source :: Asked By my friend


The answer is 62.8.

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2 solutions

Karan Shekhawat
Sep 30, 2014

Really it is foolish distance since it has no use means no matter how long the separation between wires because PRESSURE remains same....!! Anyways Nice Question

L e t L e n g t h o f a n w i r e e l e m e n t i s l a n d w i d t h d x m a g n e t i c F o r c e o n i t : d F m = I ( l ) B d F m = ( J d x ) ( l ) ( μ 0 J 2 ) N o w d A = l d x P = d F d A = μ 0 J 2 2 Let\quad Length\quad of\quad an\quad wire\quad element\quad is\quad 'l'\quad and\quad width\quad 'dx'\\ magnetic\quad Force\quad on\quad it:\\ \Longrightarrow { dF }_{ m }=I(l)B\\ \quad \quad { dF }_{ m }=(Jdx)(l)(\frac { { \mu }_{ 0 }{ J }^{ } }{ 2 } )\\ Now\quad dA=ldx\\ \Longrightarrow P=\frac { dF }{ dA } =\frac { { \mu }_{ 0 }{ J }^{ 2 } }{ 2 } .

Great Job Karan...!!

Deepanshu Gupta - 6 years, 8 months ago

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Thanks Deepu...!!

Karan Shekhawat - 6 years, 8 months ago

Man, why do you mention 'd' if that dosen't affect to solution ?

Вук Радовић - 6 years, 8 months ago

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Actually i know that distance doesn't matter that's Why I named This question as "Foolish Distance Between Wires" which is Sufficient Hint itself.

Deepanshu Gupta - 6 years, 8 months ago
Mvs Saketh
Oct 9, 2014

seriously ? 10000000000000000000000 m? even light needs 1056993.066 years to reach one end to another, which is a million years,,, and since u cant reach to the other plate from one plate let alone construct it faster than light,, and homo sapiens didnt even exist for a million years,, so this question is invalid :P nice way to confuse though

and with that i finish all questions of your set "foolish things", eager for more :)

Haha ...Lol :P Really You Have Very keen observation and Creative Mind.
And surely I will post more question soon... Have you Tried These question:

"Mechanics + Magnetism=Mechatism"

"Sequence + Magnetism=Mequence"

If you are not Tried them then I suggest you to Kill These Question first.

Deepanshu Gupta - 6 years, 8 months ago

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Got it i am on em now :)

Mvs Saketh - 6 years, 8 months ago

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