GOOD QUESTION really nice

JEE Advanced 2015 Forum › General Physics questions › GOOD QUESTION really nice

is it possible to find B for a ring at a point at dist r from centre. r<R

#Physics #General Physics

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7 Answers

9

Celestine preetham ·2008-12-14 03:48:44

if yes then wats the eq ?

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1

Rohan Ghosh ·2008-12-14 06:35:09

do you mean at this position shown in figure ??

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9

Celestine preetham ·2008-12-14 08:46:02

yes

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9

Celestine preetham ·2008-12-14 08:49:32

i dint take it from any book

i just tried solving it wen i was goin through derivation for B at centre.

though im pretty sure of my ans i beg ur pardon if had gone rong somewere.

clue : get a integration eq and see if its really integrable !! . quite a confusing one ah;)

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Akand ·2008-12-14 08:52:18

giv us tht integration sum................we'll try 2 integrate it.........

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9

Celestine preetham ·2008-12-15 00:32:04

ok i got final ans as

Î¼ir/Ï€(R²-r²) âˆ«âˆš[(R/r)²-sin²Î¸] (âˆ« 0â†’Ï€/2 )

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9

Celestine preetham ·2008-12-15 23:40:31

akand can u integrate that ?

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω