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The charge on positron is equal to the charge on

  • A.Proton
  • B.Electron
  • C.Alpha- particle
  • D.Neutron

Answer: A

The positron's charge equals that on the proton.

The positron is the antiparticle of the electron: it has the electron's mass but a charge of \(+1.6\times10^{-19}\ \mathrm{C}\), the same magnitude and sign as the proton's. It was predicted by Dirac and found by Anderson in 1932.

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