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Calculate the number of electrons constituting one coulomb of charge.

 

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Question 3 Page 200 Calculate the number of electrons constituting one coulomb of charge. We know that Charge on 1 Electron = 1.6 × 10−19 C 1 Electron = 1.6 × 10−19 C 1.6 × 10−19 C = 1 Electron 1 C = 1/1.6 × 10−19 electrons 1 C = 10/16 × 1019electrons 1 C = 5/8 × 1019 electrons 1 C = 0.625 × 1019 electrons 1 C = 6.25 × 1018 electrons Hence, number of electrons in 1 Coulomb charge is 6.25 × 1018.

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