Electric potential along the centre line between 2 charged plates

[rreedde]

Homework Statement

Explain why in the absence of any other charged bodies, the potential will be zero along the centre line between plates

Homework Equations

-

The Attempt at a Solution

not sure how to explain it. is this because that the electric field in that region is zero?

 

[sArGe99]

Electric potential is the algebraic sum of the potentials due to either of the two plates. It cancels out along the centre line. (since the plate charges are equal and opposite.)