3. Two infinite lines of current, one with current I = 1.5 A into the page and one with current I = 1.5 A out of the page are placed at locations (-d, -d) and (-d, d), respectively. Assume d=20.0 cm. [Consider right and ŷ up the page.] i. In unit vector notation, what is the magnetic field at (0,0)? ii. Where should a third line of current with I = 1.5 A into the page be placed so that the total magnetic field is 0 at (0, 0)?

Glencoe Physics: Principles and Problems, Student Edition
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Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 83A
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3. Two infinite lines of current, one with current I = 1.5 A into the page and one with current I = 1.5 A out of the page are placed at locations (−d, −d) and (−d, d), respectively. Assume d=20.0 cm. [Consider xˆ right and yˆ up the page.] i. In unit vector notation, what is the magnetic field at (0,0)?

ii. Where should a third line of current with I = 1.5 A into the page be placed so that the total magnetic field is 0 at (0, 0)?

3. Two infinite lines of current, one with current I = 1.5 A into the page and one with current I = 1.5
A out of the page are placed at locations (-d, −d) and (−d, d), respectively. Assume d=20.0 cm.
[Consider right and ŷ up the page.] i. In unit vector notation, what is the magnetic field at (0,0)?
=
1.5 A into the page be placed so that the total
ii. Where should a third line of current with I
magnetic field is 0 at (0, 0)?
Transcribed Image Text:3. Two infinite lines of current, one with current I = 1.5 A into the page and one with current I = 1.5 A out of the page are placed at locations (-d, −d) and (−d, d), respectively. Assume d=20.0 cm. [Consider right and ŷ up the page.] i. In unit vector notation, what is the magnetic field at (0,0)? = 1.5 A into the page be placed so that the total ii. Where should a third line of current with I magnetic field is 0 at (0, 0)?
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