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

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 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))

In the Millikan's experiment, the distance between two horizontal plates is 2.5 cm and the potential difference applied is 250 V .The electric field between the plates will be

An electron is accelerated through a potential difference of 1000 volt. The velocity acquired by the electron is

Calculate the force experienced by a moving electron which is entering into a condenser having its plates 0.1m apart and potential difference of 300V. The direction of the electric field is perpendicular to the motion of the electron.

An electron is fired through a region of crossed electric and magnetic field (0.05 T) . The electric field is formed between two plates separated by a distance of 2 mm having a P.D. of 125 V . The speed of the electron is

A charged drop of mass 3.2 xx 10^(-12) g floats between two horizontal parallel plates maintained at potential difference of 980 V and separation between the plates is 2 cm. The number of excess or deficient electrons on the drop is