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In an electric field region, the electri...

In an electric field region, the electric potential varies along the x-axis as shown in the graph. The `x` components of the electirc field in the regions for the intervals `PQ` and `QR` as market in the garph, in `N//C`, are respectively:

A

`5.0N//C` along negative x-direction and 20.0N`//`C along positive x-direction

B

`5.0N//C` along positive x-direction and 20.0N`//`C along negative x-direction

C

`5.0N//C` along negative x-direction and 20.0N`//`C along negative x-direction

D

`5.0N//C` along positive x-direction and 20.0N`//`C along positive x-direction

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