The field of point charge is described by the formula
E=k⋅∣q∣r2E=k \cdot \frac{|q|}{r^2}E=k⋅r2∣q∣
Where will we write
r=k⋅∣q∣E=9⋅109⋅6.1⋅10−922.7=1.555mr=\sqrt{\frac{k \cdot |q|}{E}}=\sqrt{\frac{9 \cdot 10^9 \cdot 6.1 \cdot 10^{-9}}{22.7}}=1.555 mr=Ek⋅∣q∣=22.79⋅109⋅6.1⋅10−9=1.555m
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