Question

An oil drop, carrying six electronic charges and having a mass of 16x 10^-12 g, falls with some terminal velocity
in a medium. Whai magnitude of vertical electric field is required to make the drop move upward with the same
spod as it was formerly moving downward with ? Ignore buoyancy.
a) 10^5 NC^-1
b) 10^4 NC^-1
c) 3.3x10^4 NC^-1
d) 3.3x10^5 NC^-1​

Answer 1

Answer:

correct option is c=3.3x10⁴NC-1