Physics

Physics

Problem

A student measures the force on a

0.40\,\text{m}

long wire carrying an unknown current

I

in a

0.20\,\text{T}

uniform magnetic field and notes:

\theta = 0^\circ, 30^\circ, 60^\circ, 90^\circ

F\,(\text{N}) = 0,\; 0.12,\; 0.21,\; 0.24

Determine the value of the current

I

.

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