Consider a straight current-carrying wire of
length ll oriented perpendicular to a magnetic field of
strength BB. If the current through wire is II then
the force on this wire segment is 1.35 N. Calculate the
magnitude of the magnetic force on this wire if it is reshaped into
a semi-circle. The current through the wire, it's length and
orientation relative to the magnetic field remain the same.
The force on the semi-circle, F =
X X X Х X X x x x Х X X x x Х X B
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