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# Electric Field from Electric Potential

If the electric potential is given by $$\chi=cxy$$, calculate the electric field.

Discussion:

$$E_x=-\frac{\partial\chi}{\partial x}=-cy$$
$$E_y=\frac{\partial \chi}{\partial y}=-cx$$
Hence electric field $$\vec{E}=-c(y\hat{i}+x\hat{j})$$

September 21, 2017

### 1 comment

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