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Back to 22.11 More Applications of Magnetism

22.11 Exercise 16

Avg difficulty 2.5

Measurements affect the system being measured, such as the current loop in the reference. (a) Estimate the field the loop creates by calculating the field at the center of a circular loop 20.0 cm in diameter carrying 5.00 A. (b) What is the smallest field strength this loop can be used to measure, if its field must alter the measured field by less than 0.0100%?

OpenStax College Physics 2e, 22.11 More Applications of Magnetism, exercise 16

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.