153- According to the figure below, a straight wire of length $2.4\,\text{m}$ carries a current of $2.5\,\text{A}$ from east to west. The magnitude of Earth's magnetic field $G$ at the location of this wire is $0.5\,\text{G}$ and its direction is toward the north. Find the magnitude and direction of the magnetic force on this wire. [Figure: magnetic field $\vec{B}$ directed into the page, current $I$ directed to the left] (1) $3\times10^{-5}\,\text{N}$, upward (2) $3\times10^{-4}\,\text{N}$, upward (3) $3\times10^{-5}\,\text{N}$, downward (4) $3\times10^{-4}\,\text{N}$, downward
\textbf{153-} According to the figure below, a straight wire of length $2.4\,\text{m}$ carries a current of $2.5\,\text{A}$ from east to west. The magnitude of Earth's magnetic field $G$ at the location of this wire is $0.5\,\text{G}$ and its direction is toward the north. Find the magnitude and direction of the magnetic force on this wire.
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\textit{[Figure: magnetic field $\vec{B}$ directed into the page, current $I$ directed to the left]}
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(1) $3\times10^{-5}\,\text{N}$, upward \hfill (2) $3\times10^{-4}\,\text{N}$, upward
(3) $3\times10^{-5}\,\text{N}$, downward \hfill (4) $3\times10^{-4}\,\text{N}$, downward
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