The potential function of an electrostatic field is given by $V = 2x^2$. Determine the electric field strength at the point $(2\,m, 0, 3\,m)$
The potential function of an electrostatic field is given by $V = 2x^2$. Determine the electric field strength at the point $(2\,m, 0, 3\,m)$
- A
$\vec E = 4\hat i\left( {N{C^{ - 1}}} \right)$
- B
$\vec E = - 4\hat i\left( {N{C^{ - 1}}} \right)$
- C
$\vec E = 8\hat i\left( {N{C^{ - 1}}} \right)$
- D
$\vec E = - 8\hat i\left( {N{C^{ - 1}}} \right)$
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