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Question

at macroscopic level the quantisation of charge has no practical consequences and can be ignored-why?

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Solution

At the macroscopic level one deals with charges that are enormous compared to the magnitude of charge e . Since e = 1.6 × 10^-19 C , a charge of magnitude , say 1μC contains something like 10^13 times the electronic charge . At this scale , the fact that the charge can increase or decrease only in units of e is not very different from saying that charge can take continuous value . Thus at the macroscopic level , the quantisation has no practical consequence and can be ignored .

At the macroscopic level one deals with charges that are enormous compared to the magnitude of charge e . Since e = 1.6 × 10^-19 C , a charge of magnitude , say 1μC contains something like 10^13 times the electronic charge . At this scale , the fact that the charge can increase or decrease only in units of e is not very different from saying that charge can take continuous value . Thus at the macroscopic level , the quantisation has no practical consequence and can be ignored .
Also whenever you touch anything electron transfer takes place every time, but you don't feel anything if few electrons are transferred.

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