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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Numerical Value Type Questions - Electric Charges and Fields

  • question_answer
    A negatively charged oil drop is prevented from falling under gravity by applying a vertical electric field of\[100\text{ }V{{m}^{-1}}\]. If the mass of the drop is\[1.6\text{ }\times \text{ }{{10}^{-3}}g\], the number of electrons carried by the drop is \[(g=10m{{s}^{-2}})\]

    Answer:

    \[\left( {{10}^{12}} \right)\]


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