The grid represents a region in space co...

The grid represents a region in space containing a uniform electric field (each square of size `1m xx 1m`). If potentials at point O, A, B, C, D, E, F, G, H are respectively `0, -1, -2, 1, 2, 0, -1, 1` and 0 volts find the electric field intensity.

`(hat(i)+hat(j))V//m`

`(hat(i)-hat(j))V//m`

`(-hat(i)+hat(j))V//m`

`(-hat(i)-hat(j))V//m`

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