Task id12972
A charged droplet of oil is balanced by the electrostatic field of a horizontal plate capacitor. What voltage V is applied to the capacitor plates if a droplet with a radius r = 2 μ carries three electrons? Distance between plates d = 8 mm. What happens when the plates move apart in the case when: a) the plates are connected to a voltage source? b) the plates are disconnected? Oil density p = 0.8 g/cm3.
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