The electric field required to keep a water drop of mass m and charge e just to remain…
Physics · JEE Main · NTA Exams — Electrostatics
The electric field required to keep a water drop of mass m and charge e just to remain suspended is :
- mg
- emg
- \(\frac{\mathrm{mg}}{\mathrm{e}}\)
- \(\frac{\mathrm{em}}{\mathrm{~g}}\)
Answer
(C) mg e
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