in cross section, several conduc- tors that carry currents through the plane of the figure. The currents have the magnitudes = 4.0 A, 6.0 A, and h the directions shown. Four paths, labeled a through d, are shown. What is the line integral B• dl for each path? Each integral involves going around the path in the coun- terclockwise direction. Explain your 2.0 A, and answers.
in cross section, several conduc- tors that carry currents through the plane of the figure. The currents have the magnitudes = 4.0 A, 6.0 A, and h the directions shown. Four paths, labeled a through d, are shown. What is the line integral B• dl for each path? Each integral involves going around the path in the coun- terclockwise direction. Explain your 2.0 A, and answers.
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I am stuck on the explanations. I don’t quite understand the cross and dot symbol meaning.
Transcribed Image Text:Section 28.6 Ampere's Law
Figure E28.40 shows,
28.40
in cross section, several conduc-
tors that carry currents through the
plane of the figure. The currents
have the magnitudes I = 4.0 A,
6.0 A, and 4 - 2.0 A, and
the directions shown. Four paths,
labeled a through d, are shown.
What is the line integral B dl
for each path? Each integral involves
going around the path in the coun-
terclockwise direction. Explain your
Figure E28.40
answers.
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