1.

...... no. of electrons have charge equal to 1 coulomb.

Answer»

`6.25 xx 10^19`
`6.25 xx 10^18 `
` 6.25 xx 10^20`
`1.6 xx 10^19`

Solution :TOTAL CHARGE on N no. of ELECTRON is Q = Ne
`THEREFORE N = Q/e = (1C)/(1.6 xx 10^(-19)C) = 6.25 xx 10^(18)` electrons.


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