Physics
Electricity and Magnetism
Figure shows a cross section of an infinite conducting sheet

Figure shows a cross section of an infinite conducting sheet carrying a current per unit x length

Question:

Figure shows a cross section of an infinite conducting sheet carrying a current per unit x length of λ; the current emerges perpendicularly out of the page.?

(a) Use the Biot-Savart law and symmetry to show that for all points P above the sheet and all points P' below it, the magnetic field B is parallel to the sheet and directed as shown.?

(b) Use Ampere's law to prove that B = l/2μ0λ at all points P and P??.

Transcribed Image Text:

Lp B P'. B -X

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The current per unit xlength may be viewed as current density multiplied by the thickness Ay of the ...View the full answer

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 22, 2011 04:42 AM

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