If the kinetic and potential energy in a system are equal, then the potential energy increases. what happens as a result?
total energy increases.
stored energy decreases.
energy of motion decreases.
total energy decreases
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It's because as total energy remains constant,kinetic energy decreases potential energy increases. ... In its path to reach the ground the potential energy gradually get decreased while kinetic energy increases so as to maintain energy constant.

Explanation:

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6