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An infinite number of point charges, each carrying \( 1 \mu \mathrm{C} \)
W charge, are placed along the y-axis at \( y=1 \mathrm{~m}, 2 \mathrm{~m} \), \( 4 \mathrm{~m}, 8 \mathrm{~m} \). The total force on a \( 1 \mathrm{C} \) point charge, placed at the origin, is \( x \times 10^{3} \mathrm{~N} \). The value of \( x_{1} \) to the nearest integer, is . Take \( \frac{1}{4 \pi \varepsilon_{0}}=9 \times 10^{9} \mathrm{Nm}^{2} / \mathrm{C}^{2} \)
[JEE Main-2021 (March)]
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