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5) A semicircular wire positioned in the x-y plane as shown in the figure below carries a coun-
terclockwise current I. It is exposed to a constant and uniform magnetic field B pointing in the
-z direction. Determine the et force on the loop.
х х
х х
X,
R.
В
X
х х х х х
X x x x x X
xx
x x x x

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