Consider two long straight
wires parallel to each other. The wire A on the left has a
current of I1= 3 A and is separated by 5 m from the wire
B on the right that carries I2= 2 A of current. The currents
are flowing in the same direction as in the figure.
a) Consider a point P that is 2 m to the right of wire B.
Determine the magnitude including unit and direction of
the magnetic field on the location P due to the current A
b) A particle has a charge of q= 2.0 x 10^-6 C and is moving
parallel to the wires at the point P. The
speed of the particle is 200 m/s. What is the magnitude and direction of the magnetic force?
c) Q is located in the middle of the two current. Does the magnetic field vanish? ____ Yes. _____ No.
d) Consider a point R that is 2 m to the left of wire A. The
magnitude of the magnetic field at the point R
is _____ bigger than, ____ the same as, ____ smaller than that at the point P.
e) What is the direction of magnetic field at the point R?
f) The particle described in part b) (with the same charge and
velocity) is at the point R. What is the
direction of the magnetic force acting on the particle?
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