A 2.0-m wire carries a current of 15 A directed along the positive x axis in a region where the magnetic field is uniform and given by B = (30
? 40
) mT. What is the resulting magnetic force on the wire?
A.
(+1.2 
) N
) NB.
(?1.2 
) N
) NC.
(?1.5 
) N
) ND.
(+1.5 
) N
) NE.
(+0.90 
) N
) NAnswer: B
Physics & Space Science
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