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Electron Radius and Energy Derivation MCQs App Download & e-Book - 1355

MCQ:

The?permittivity?of free space (a?vacuum) is a physical constant equal to approximately

  1. 8.85 x 10-12 F/m
  2. 9.85 x 10-12 F/m
  3. 8.85 x 10-11 F/m
  4. 9.85 x 10-10 F/m

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