Suppose the current in each wire shown in the figure below is I=0.50A. What is the result of the field circulation integral around the amperian circuit in parts A and B of the figure?

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Suppose the current in each wire shown in the figure below is I=0.50A. What is the result of the field circulation integral around the amperian circuit in parts A and B of the figure?

60°
at <
А.
В.
Transcribed Image Text:60° at < А. В.
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Step 1

Ampere's circuital law states that the magnetic field around any closed loop is proportional to the current crossing the area enclosed by that loop. 

In numerical form it is given as

B.dL=μoIencB is the magnetic flux densitydL is a length element of the loopIenc is the current enclosed by the loop

Thus, the closed integral of the magnetic field around any closed loop is equal to μo times the current enclosed by the surface of that loop.

So, if the current passing through the area of the loop is zero, then the magnetic field across that loop will also be zero.

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