Consider three protons (represented by black dots) traveling in the plane of the

Question

Consider three protons (represented by black dots) traveling in the plane of the page as shown below. Also, consider a copper wire carrying a steady current into the page (represented by an x). Give the direction (up, down, out, in, left, right, none, or some combination of these) for the following. Note: no explanation is needed or will be credited. Magnetic field at proton 1 Magnetic force on proton 1 Magnetic field at proton 2 Magnetic force on proton 2 Magnetic field at proton 3 Magnetic force on proton 3

Explanation / Answer

a)
right
b)
down
c)
left-up

F=q(VxB)
since V and B are in same plane. F=0 for all
d)
none
e)
none
f)
none

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