A vertical straight wire segment of length carries a current of upward

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

A vertical straight wire segment of length

0.40\,\text{m}

carries a current of

5.0\,\text{A}

upward. A uniform horizontal magnetic field of

0.20\,\text{T}

acts from west to east. Which of the following gives the magnitude and direction of the magnetic force on the wire? (a)

0.40\,\text{N}

upward (b)

0.20\,\text{N}

towards north (c)

0.40\,\text{N}

towards north (d)

0.40\,\text{N}

towards south