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I had asked "The energy of electron formation becomes mass, charge, spin and momentum. How much becomes the charge? We know how much becomes mass: E = mc^2. What is the equation for the charge?". PabloG's astute analysis leads me to ask the question differently.
How much of the energy of the photon, which either becomes an electron-positron pair or is the result of their annihilation, is used to create the charge difference of the pair? Is it more then merely what is used to create the separation of the charged particles?

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    $\begingroup$ Hi and welcome to Physics Stack Exchange. If you are referencing another question, then you should provide a link to that question. However, I think is likely to get closed, if it is simply a duplicate of another question that you are asking in a different way. What is it you want to know that the answers to that other question don't address? $\endgroup$ – Time4Tea Sep 28 '18 at 18:48
  • $\begingroup$ Do you mean this answer? physics.stackexchange.com/questions/289559/… $\endgroup$ – PM 2Ring Sep 28 '18 at 21:35
  • $\begingroup$ Welcome back! If you would like to merge your new account with your old one, you should use the contact form. $\endgroup$ – rob Sep 29 '18 at 18:02

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