long, straight wire is in the plane of the page and carries a 10 A current. Point P is also in the plane of the page and is a perpendicular distance 0.20 m from the wire, as shown below. Gravitational effects are negligible. a) With reference to the coordinate system in the figure above, what is the direction of the magnetic field at point P due to the current in the wire? b) A 3.32 x 10-27 kg mass particle with negative -1.6 x 10-19 C charge
A long, straight wire is in the plane of the page and carries a 10 A current. Point P is also in the plane
of the page and is a perpendicular distance 0.20 m from the wire, as shown below. Gravitational effects are
negligible.
a) With reference to the coordinate system in the figure above, what is the direction of the magnetic field at
point P due to the current in the wire?
b) A 3.32 x 10-27 kg mass particle with negative -1.6 x 10-19 C charge is initially moving parallel to the wire
with a 80 m/s speed when it is at point P, as shown below. With reference to the coordinate system
established above, what is the direction of the magnetic force acting on the negative particle at point P?
c) Determine the magnitude of the magnetic force acting on the negative particle at point P.
d) An electric field is applied that causes the net force on the negative particle to be zero at point P. With
reference to the coordinate system established above, what is the direction of the electric field at point P
that could accomplish this?
e) Determine the magnitude of the electric field.
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d) An electric field is applied that causes the net force on the negative particle to be zero at point P. With
reference to the coordinate system established above, what is the direction of the electric field at point P
that could accomplish this?
e) Determine the magnitude of the electric field.
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