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A graph of the x-component of the electr...

A graph of the x-component of the electric field as a function of x in a region of space is shown in figure. The `y- and z-components ` of the electric field are zero in this region. If the electric potential is 10 V at the origin, then the potential at x = 2.0 m is

A

10 V

B

20 V

C

30 V

D

40 V

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