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= Consider the cross section of a current carrying wire as shown below. The current is carried by the 2 gray sections (0 c. (Hint: think Ampere's Law)

= Consider the cross section of a current carrying wire as shown below. The current is carried by the 2 gray sections (0 c. (Hint: think Ampere's Law)

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Consider the cross section of a current carrying wire as shown below. The current is carried by the 2 gray sections ().  The current, , is in the direction out of the page, half of it flowing in the inner wire (radius 0a) and half in the outer shell (between circles b and c).

Assuming that the 3 sections have the same thickness, i.e. Oa = ab = bc = 1cm, calculate the magnetic field for 0 < r < a, a < r < b, b < r < c, and r > c.

= Consider the cross section of a current carrying wire as shown below. The current is carried by the 2 gray sections (0 <r<a, and b<r <c). The current, i 10 mA, is in the direction out of the page, half of it flowing in the inner wire (radius Oa) and half in the outer shell (between circles b and c). 0 a b c Assuming that the 3 sections have the same thickness, i.e. Oa = ab = bc = 1cm, calculate the magnetic field for 0 <r <a, a<r<b, b <r < c, and r > c. (Hint: think Ampere's Law)
Transcribed Image Text:= Consider the cross section of a current carrying wire as shown below. The current is carried by the 2 gray sections (0 <r<a, and b<r <c). The current, i 10 mA, is in the direction out of the page, half of it flowing in the inner wire (radius Oa) and half in the outer shell (between circles b and c). 0 a b c Assuming that the 3 sections have the same thickness, i.e. Oa = ab = bc = 1cm, calculate the magnetic field for 0 <r <a, a<r<b, b <r < c, and r > c. (Hint: think Ampere's Law)
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