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Why can one ignore quantisation of elect...

Why can one ignore quantisation of electric charge when dealing with macroscopic i.e., large scale charges?

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The charge at macroscopic level is so large compared to the charge of an electron that quantisation of charge has no practical importance at this level. The charge of an electron is `1.6xx 10^(-19)`C which means that a small charge of `1muC` has about `10^(13)` electrons present in it. For such a large number of electrons there is no significance of quantisation and should be treated as continuous.
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