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Q5. A wire of arbitrary shape is carrying a current i between points a and b. The wire lies
in a plane at right angles to a uniform magnetic field B. Find the magnitude of the Lorentz
force on the wire if the distance between points a and b is L and the length of the wire
from a to b is S.
(а) F3ISB
(b) F= i B/ S
(c) F = iLB
(d) F = i B/ L
B.

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