Figure shows a set of equipotential surfaces. The magnitude and direction of electric field that exists in the region is .........
Figure shows a set of equipotential surfaces. The magnitude and direction of electric field that exists in the region is .........
- A
$10 \sqrt{2} \,V / m$ at $45^{\circ}$ with $x$-axis
- B
$10 \sqrt{2} \,V / m$ at $-45^{\circ}$ with $x$-axis
- C
$5 \sqrt{2} \,V / m$ at $45^{\circ}$ with $x$-axis
- D
$5 \sqrt{2} \,V / m$ at $-45^{\circ}$ with $x$-axis
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