1.

A charged water drop whose radius is \[0.1\,\mu m\] is in equilibrium in an electric field. If charge on it is equal to charge of an electron, then intensity of electric field will be \[(g=10\,m{{s}^{-1}})\]  [RPET 1997]

A. \[1.61\,N/C\]   
B. \[26.2\,N/C\]
C. Liquid of low viscosity and low density flowing through a pipe of large radius
D. \[1610\,N/C\]
Answer» D. \[1610\,N/C\]


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