A point charge \( q=-8.0 \mathrm{nC} \) is located at the origin. The electric field (in \( \mat...

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A point charge \( q=-8.0 \mathrm{nC} \) is located at the origin. The electric field (in \( \mathrm{NC}^{-1} \) ) vector at the point \( x=1.2 \mathrm{~m}, y=-1.6 \mathrm{~m} \), as shown in figure, is
(1) \( -14.4 \hat{i}+10.8 \hat{j} \)
(2) \( -14.4 \hat{i}-10.8 \hat{j} \)
(3) \( -10.8 \hat{i}+14.4 \hat{j} \)
(4) \( -10.8 \hat{i}-14.4 \hat{j} \)
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