2822exp4s

2822exp4s - PHY2822 Exp. 4 Prelab ex. 2: R R ⎧ ⎫ ˆ B (...

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Unformatted text preview: PHY2822 Exp. 4 Prelab ex. 2: R R ⎧ ⎫ ˆ B ( x ) =k ⎨[ R 2 + ( x − ) 2 ]−3/ 2 + [ R 2 + ( x + ) 2 ]−3/ 2 ⎬ x 2 2 ⎩ ⎭ μ NIR 2 where k ≡ 0 . 2 R R ⎧ ⎫ −3( x − ) −3( x + ) ⎪ ⎪ dB( x ) 2 2 =k⎨ + ⎬ R R dx ⎪ [ R 2 + ( x − ) 2 ]5 / 2 [ R 2 + ( x + ) 2 ]5 / 2 ⎪ ⎩ ⎭ 2 2 R 2 5/ 2 R2 2 R 2 3/ 2 ⎧ 2 ⎪ −[ R + ( x − 2 ) ] + 5( x − 2 ) [ R + ( x − 2 ) ] d 2 B( x ) = 3k ⎨ + R25 dx 2 2 ⎪ [R + ( x − ) ] ⎩ 2 R R R ⎫ −[ R 2 + ( x + ) 2 ]5 / 2 + 5( x + ) 2 [ R 2 + ( x + ) 2 ]3/ 2 ⎪ 2 2 2 + ⎬ R25 2 ⎪ [R + ( x + ) ] ⎭ 2 At x = 0 , dB ( x ) =0 dx d 2 B( x ) =0 dx 2 ...
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This note was uploaded on 10/14/2010 for the course PHYS 2051 taught by Professor Drkwong during the Spring '10 term at CUHK.

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