Physics-
General
Easy
Question
Find the magnitude and direction of a force vector acting on a unit length of a thin wire, carrying a current 
, at a point O, if the wire is bent as shown in Figure (i) the curvature radius R = 10 cm. Figure (ii) the distance between the long parallel segments of the wire 
. F1 = force vector due to figure (i) F2 = force vector due to figure (ii)
The correct answer is:
Force acting on unit length = 
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