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.                    \[262\,N/C\]
D.                                      \[1610\,N/C\]
Answer» D.                                      \[1610\,N/C\]


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