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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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In practice, the charge on a charged body is very large. On the other hand, the charge on an electron is very small. When electrons are added to a body or removed from a body, the change taking place in the total charge on the body is so small that the charge seems to be varying in a continuous manner. Therefore, quantisation of electric charge can be ignored, when dealing with a large scale charged
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Knowledge Check

  • A proton at rest has a charge e. When it moves with a high speed, its charge

    A
    `gt e`
    B
    `lt e`
    C
    `= e`
    D
    may increase or decrease

  • A proton at rest has a charge e. When it moves with a high speed, its charge

    A
    ` gt e`
    B
    ` lt e`
    C
    ` =e`
    D
    may increase or decrease

  • Those substances which can carry or conduct electric charge from one point to another is called

    A
    conductors
    B
    dielectrics
    C
    insulators
    D
    semiconductor

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