A semicircular wire of radius 5.0cm carries a current of 5.0A.
A semicircular wire of radius 5.0cm carries a current of 5.0A. A magnetic field B of magnitude 0.50T exists along the perpendicular to the plane of the wire. Find the magnitude of the magnetic force acting on the wire.
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The length of the wire is πR+R right ?
So according to the formula for force, the force should be BI(πR+R )?
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