A straight wire of length 0.25 m carries a current of 10 A in a region where the…

MATHEMATICS · Single correct · A Level · Mathematics · Quantities and units in mechanics · Quantities and units in mechanics

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}

Related theory

Browse the problem library