A straight 0.60 m wire is oriented perpendicular to a uniform 0.40 T magnetic field

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A straight 0.60 m wire is oriented perpendicular to a uniform 0.40 T magnetic field. If the wire experiences a magnetic force of 0.72 N, what is the current in the wire? (a) 1.8 A1.8\text{ A} (b) 4.8 A4.8\text{ A} (c) 3.0 A3.0\text{ A} (d) 6.0 A6.0\text{ A}

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