A uniform magnetic field is given by

PHYSICS · Single correct · AP · Physics C: Electricity and Magnetism · Magnetic Fields and Electromagnetism · Magnetic Fields and Electromagnetism

Problem

\mathbf B = 0.30\,\hat{\imath} + 0.40\,\hat{\jmath}\,\text{T}

. A straight wire segment of length

0.20\,\text{m}

carries a

5.0\,\text{A}

current in the direction of the unit vector

\mathbf d = 0.00\,\hat{\imath} + 0.60\,\hat{\jmath} + 0.80\,\hat{k}

. What is the magnitude of the magnetic force on the wire segment? (a)

0.50\,\text{N}

(b)

0.24\,\text{N}

(c)

0.44\,\text{N}

(d)

0.88\,\text{N}