A copper ball of density `8.6 g//cc` amd 1 cm in diameter is immersed in oil of density `0.8 g//cc`. What is the charge on the ball, if it remains just suspended in oil in electric field of intensity `3600 V//m` acting in the upward direction ?

A copper ball of density 8.6 g cm^-3 cm in diameter is immersed in oil of density 0.8 g cm^-3 . If the ball remains suspended in oil in a uniform electric field of intensity 36,000 NC^-1 acting in upward direction, what is the charge on the ball?

A copper ball of density 8.6 gcm^(-3), 1 cm is diameter is immersed in oil of density 0.8 dcm^(-3) . If the ball remiand suspended in oil in a uniform electric field of intensity 36000NC^(-1) acting in upward direction, what is the charge on the ball ?

A copper(density of Cu= p_(c) ) ball of diameter dis innnersed in oil of density p_(0) . What is the charge on the ball if, in a homogeneous elecltric field E directed vertically upward, it is suspended in the oil ? (k=pid^(3)(p_(c)g)/(E)) :

The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm^(3) ?

The diameter of a metallic ballis 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm^(3)

The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8. 9\ g\ p e r\ c m^3 ?

Practice problems : A metal bob of volume 250 cm^3 and mass 150 g is immersed in kerosene ( density = 0.8 g/cc) what will be the mass of kerosene displaced by the bob ?

A copper plate of 10cmxx10cm and 0.1 cm thickness is to be placted with silver. If the density of Ag is 10.8 g/cc, the number of electrons required for this process is