Charge on an electron and charge on 1 coulomb
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charge of electron +
charge of coulomb -
charge of coulomb -
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We know that the a electron have charge of 1.6 × 10^−19 C
∴ e =1.6 × 10^−19 C
Total charge required 1Coulomb.
∴ q = 1C
Since q=ne
⇒ n =q/e
⇒ n = 1/1.6 × 10^−19
⇒6.25×10^18
⇒6×10^18 electrons.
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