Question: Measurements affect the system being measured, such as the current loop in Figure 22.53. (a) Estimate the field the loop creates by calculating the field

Measurements affect the system being measured, such as the current loop in Figure 22.53.

(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%? 20.0 cm Bout

20.0 cm Bout

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