A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is along x-axis. The work done by the field is

A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is along x-axis. The work done by the field is
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A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is ... qEa` B. `+qEa` C. `-2qEa` D. `2qEa`
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