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Praxis II General Science

Category - Physics

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If there is no distance separating a positive charge from a negative charge, then theoretically the attractive force is:

1 N.
Coulomb’s constant.
0 N.
900 N.
Infinite.

Explanation

Answer: E - From Coulomb’s law, we can see that as r approaches 0, the attractive or repulsive force approaches infinity. Thus, if r = 0, the attractive force would be infinite.

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