ANSWERS: 4
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Neither, but if a charged particle passes through a magnetic field in any direction other than straight along a field "line", the magnetic field will alter its trajectory, generally curving it, and in some cases causing it to follow a helical path.
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Yes.
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repel
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Neither, a magnet attracts magnetic material such as iron shavings. There are also laws govening a magnet in an electric field. For example moving a magnet in and out an electric field induces voltage. That how electricity is generated.
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