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When Can We Talk about Potential Energy

If there is a...

Question

If there is a lone charge in the universe, and it moves a certain distance, what is the change in its electrical potential energy?

A

Infinite

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B

Zero

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C

Finite non-zero value

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D

Impossible to say

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Solution

The correct option is B Zero
When there is a lone charge in the universe, there are no electric forces acting on it. Therefore, there is no change in potential energy.

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