Physics

Problem

A student plots the magnetic force

F

on a current-carrying wire against

\sin\theta

and obtains a straight line through the origin with a gradient of

0.48\,\text{N}

. Which acute angle

(0°<\theta<90°)

will produce a force of

0.24\,\text{N}

according to this graph? a)

45^\circ

60^\circ

30^\circ

15^\circ