| 31. | The point charge with a cloud of photons, electrons, and positrons buzzing around the charge is the most common theory.
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| 32. | A " physical dipole " consists of two equal and opposite point charges : in the literal sense, two poles.
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| 33. | Hence, for convenience, it is usually defined or assumed to be a point-like mathematical point charge, with no spatial extension.
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| 34. | The expression gives the gravitational potential associated to a point mass or the Coulomb potential associated to a point charge.
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| 35. | The electric potential due to a system of point charges is equal to the sum of the point charges'individual potentials.
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| 36. | Phillips continued to fight, at one point charging over a hilltop and killing the last five soldiers with rifle fire.
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| 37. | Ques : Two point charges of values q and 2q are kept at a distance d apart from each other.
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| 38. | The amount of points charged will vary, he said, according to the type and terms of the loan being sought.
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| 39. | Since this interaction doesn't act to move the point charge itself, it doesn't contribute to the stored energy of the system.
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| 40. | To lowest order in the fine-structure constant, \ alpha, the QED result for the electrostatic potential of a point charge is:
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