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. m*g*e
B. \(\frac {e}{(m*g)}\)
C. \(\frac {(m*g)}{e}\)
D. \(\frac {1}{(m*g*e)}\)
Answer» D.


Discussion

No Comment Found