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Which of the following equations can be used, along with a symmetry argument, to
calculate the magnetic field of a long straight wire carrying current?
de E
§ B. ds = μοί + μο€o at
моєо
-
fĒ. ds = d
B
dt
§ B.dÃ=0
All of these expressions
fĒ. dA
Q
€0
=

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