A coil of wire carries current I as shown in the figure. If the observer could "see" the magnetic field inside this arrangement of loops, how would it appear? 
Definitions:
Body Mass Index
A numerical calculation using height and weight to estimate a person's body fat and assess their risk for diseases related to overweight or obesity.
Moderate-Intensity Exercise
A level of exercise that raises the heart rate to 50-70% of the maximum heart rate, improving cardiovascular health without excessive strain.
National Institutes of Health
A part of the U.S. Department of Health and Human Services; the primary federal agency for conducting and supporting medical research.
Body Mass Index
A measure of body fat based on height and weight that applies to adult men and women, used to categorize underweight, normal weight, overweight, and obesity.
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