find the number of electron whe passing 1ma current
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Answer: One electron has a charge of 1.602 × 10^-19 coulombs. Consequently, you can find the number of electrons in 1 coulomb of charge by taking the reciprocal of this number. 1 coulomb = 1/1.602 × 10^-19 = 6.242 × 10^18 electrons.
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