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There is a question which is asking me what is the net magnetic field zero.
i can't seem to upload the image, but it's a straight wire which loops once. Think of a straight wire will one loop (or circle ) on top. the current flows from left to right in the wire and counterclockwise in the loop.
i can't seem to upload the image, but it's a straight wire which loops once. Think of a straight wire will one loop (or circle ) on top. the current flows from left to right in the wire and counterclockwise in the loop.
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