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Unformatted text preview: a) [8pt] What is the magnitude and direction of the
magnetic field due to the upper wire at the location of each
of the wires A and D in the figure? Clearly label your
D The magnetic field a distance from a long straight wire is given by Ampere’s Law, with
the magnitude for wire A being and the magnitude for wire D being The magnetic field lines make circles about the top wire, which go into the page below
the wire and come out of the page above it. Therefore, both
into the page . and...
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