Question: A point a is 2cm away from the positive plate where the electric potential is 600V and a point b is 7cm away from

A point a is 2cm away from the positive plate where the

A point a is 2cm away from the positive plate where the electric potential is 600V and a point b is 7cm away from the positive plate where the electric potential is 100V. Find the change in potential energy of a proton moving from point a to b. 21.

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