Three long parallel wires carry currents of magnitude I, I, and 21. One wire carries current into the page, and the other two carry current out of the page. Each wire is a distance r from point P(same distance r for all wires). What is the direction of the B-field at point P? 2 I (out) I (in) Ir goo 900 гр I lout)

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Three long parallel wires carry currents of magnitude
I, I, and 21. One wire carries current into the page, and
the other two carry current out of the page. Each
wire is a distance r from point P(same distance r for
all wires). What is the direction of the B-field at point
P?
21 (out)
O (down)
O ↑(up)
O(to the left)
O→ (to the right)
O(upper left)
I (in)
Ir goo
рг
I lout)
Transcribed Image Text:Three long parallel wires carry currents of magnitude I, I, and 21. One wire carries current into the page, and the other two carry current out of the page. Each wire is a distance r from point P(same distance r for all wires). What is the direction of the B-field at point P? 21 (out) O (down) O ↑(up) O(to the left) O→ (to the right) O(upper left) I (in) Ir goo рг I lout)
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