An electron of mass m is kept in a vertical electric field of magnitud – McqOptions

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1.	An electron of mass m is kept in a vertical electric field of magnitude E. What must be the value of E so that the electron doesn t fall due to gravity?
A.	mge
B.	( frac {e}{(m*g)} )
C.	( frac {(m*g)}{e} )
D.	( frac {1}{(mge)} )
Answer» D. ( frac {1}{(mge)} )

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