4. An unknown and constant number of protons are initially at rest and equally s

Question

4. An unknown and constant number of protons are initially at rest and equally spaced along one straight line. That is, the distance between adjacent protons is constant. in case one, the linear charge density of greater than the linear charge density of the protons in case two. Which statement is (A) The electric potential energy is greater i true? n case one. (B) The electric potential energy is greater in case two. The electric potential energy is the same in both cases. (D) There isn't enough information.

Explanation / Answer

As already mentioned that linear charge density is greater in the first case than in the second case which means that the protons are closely bound in the first case than the second case. As the protons are much closer in the first case hence the force of repulsion will be high and so their interaction energy (electrostatic potential energy). Therefore electric potential energy is greater in case one.

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