A small oil drop of mass `10^(-6)` kg is hanging in at rest between two plates separated by 1 mm having in at rest between two plates separated by 1 mm having a potential difference of 500 V. The charge on the drop is `(g= 10 ms^(-2))`

A small oil drop of mass 10^(-6)kg is hanging in at rest between two plates separated by1 mm having a potential difference of 500V. The charge on the drop is ____ (g = 10 ms^(-2))

An electron enters between two horizontal plates separated by 2 mm and having a potential difference of 1000V . The force on electron is

In Millikan's oil drop experiment, a charged oil drop of mass 3.2xx10^(-14)kg is held stationary between two parallel plates 6mm apart by applying a potential difference of 1200 V between them. How many excess electrons does the oil drop carry? Take g =10ms^(-2)

An oil drop of 10^(-6) m radius carring a charge 4 times that of an election and remain suspended between two charged parellel plate .01m apart. Find the potential difference between the plates.

In Millikan oil drop experiment, a charged drop of mass 1.8 xx 10^(-14) kg is stationary between its plates. The distance between its plates is 0.90 cm and potential difference is 2.0 kilo volts. The number of electrons on the drop is