(8c29p44) Eight wires cut the page perpendicularly at the points shown in the fi
ID: 1906263 • Letter: #
Question
(8c29p44) Eight wires cut the page perpendicularly at the points shown in the figure. A wire labeled with the integer k (k = 1,2,...,8) carries the current ki where i = 1 A. For those with odd k, the current is out of the page; for those with even k, it is into the page. Evaluate the closed integral B dot dl along the closed path in the direction shown.
(8c29p44) Eight wires cut the page perpendicularly at the points shown in the figure. A wire labeled with the integer k (k = 1,2,...,8) carries the current ki where i = 1 A. For those with odd k, the current is out of the page; for those with even k, it is into the page. Evaluate the closed integral B dot dl along the closed path in the direction shown.Explanation / Answer
The integral = µo*I enclosed The only currents inside of the figure are 1, 3, 6 , & 7 so I enclosed = 1 + 3 - 6 + 7 = 5A therefore the integral = µo*5 = 4px10^-7*5=6.28x10^-6T-m
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