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Four straight wires carrying equal
currents I = 56A are placed in a
configuration as shown in the figure
below. Calculate the magnitude of the
net magnetic field Bnet at the point P
located at the center of the square with
a side length of a = 20cm. (The units
are already given so no need to put
units in your answers).
(a) Bnet -
T
AA
•P
20 cm
edfinity.com
dh
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