An investigator places a sample (1.0 mathrm{~cm}) from a wire carrying a large current; the strength of
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An investigator places a sample \(1.0 \mathrm{~cm}\) from a wire carrying a large current; the strength of the magnetic field has a particular value at this point. Later, she must move the sample to a \(5.0 \mathrm{~cm}\) distance, but she would like to keep the field the same. By what factor must she increase the current?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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