Mathematics

Mathematics

Problem

A straight wire of length 0.25 m carries a current of 10 A in a region where the magnetic field strength is 0.40 T. If the wire is held at right angles to the field, what is the magnitude of the force acting on it? a) 0.1 N0.1\,\text{N} b) 4 N4\,\text{N} c) 1 N1\,\text{N} d) 0 N0\,\text{N}

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