Calculate the voltage needed to balance an oil drop carrying 10 electrons between the plates of capacitor 5mm apart.The mass of the drop is 3x10 -16 kg and g=10ms -2 .

Question

Aziz Alam · Answer

We know that V/d=E where V is voltage across the plates, d is the distance between the plates and E is the electric field. 10eE=mg where m is the mass of drop. 10eV/d=mg =>V=mgd/10e V=9.375 V

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Calculate the voltage needed to balance an oil drop carrying 10 electrons between the plates of capacitor 5mm apart.The mass of the drop is 3x10 -16 kg and g=10ms -2 .

Calculate the voltage needed to balance an oil drop carrying 10 electrons between the plates of capacitor 5mm apart.The mass of the drop is 3x10-16kg and g=10ms-2.

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