Case 1: An electron is released from rest in a uniform electric field. Case 2: A proton is released from rest in a uniform electric field of the same magnitude as in case 1 . How does the electric potential energy of the charge-field system behave in these cases?
a. In both cases, the potential energy increases.
b. In both cases, the potential energy decreases.
c. In case 1 the potential energy increases, but in case 2 it decreases.
d. In case 1 the potential energy decreases, but in case 2 it increases.
b
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What will be an ideal response?