1.

If 4.8A current is passed through an electricalappliance, the number of electrons passing through it in 1 second will be ……….. .

Answer»

`0.33 XX 10^(19)`
`3.3 xx 10^19`
`3 xx 10^(19)`
`4.8 xx 10^19`

SOLUTION :`I = Q/t=("ne")/t`
`:.n = (1 xxt)/E =(4.8xx 1)/(1.6 xx 10^(-19)) =3 xx 10^(19)`


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