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Electrostatics

A point charge Q is placed at a point A origin (0,0). Calculate the electric field at b(x,y) in vector form .

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Purvil Kanani

8 Years agoGrade

1 Answer

Khimraj

8 Years ago

$\vec{E}$ = (KQ/r²) $\hat{r}$ = (KQ/r³) $\vec{r}$

$\vec{r}$ = $\vec{r_{b}}$ – $\vec{r_{a}}$ = x $\hat{i}$ + y $\hat{j}$

Then r = $\sqrt{x^{2} + y^{2}}$

Then $\vec{E}$ = KQ(x $\hat{i}$ + y $\hat{j}$ )/(x² + y²)^3/2

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