The insulation property of air breaks down at `E=3xx10^(6) "volt"//meter`. The maximum charge that can be given to a sphere of diameter `5m` is approximately (in coulombs)

The insulation property of air breaks down at E=3xx10^6 '(vo l t)/(metre) . The maximum charge that can be given to a sphere of diameter 5 m is approximately (in coulomb)

The electric field strength in air at NTP is 3 xx 10^(6)V//m . The maximum charge that can be given to a spherical conductor of radius 3m is

The electric field strength in air at NTP is 3 xx 10^(6)V//m . The maximum charge that can be given to a spherical conductor of radius 3m is

The maximum charge that can be conveyed to a conducting sphere of diameter 20 cm (breakdown field of air = 2xx10^(6) Vm^(-1)) is

If the intensity of an electric field is 3xx10^(6) V* m^(-1) or more, electric discharge takes place in air. What maximum potential can be applied on a sphere of diameter 5 m? What maximum charge can it retain?

Air given way when there is a gradient of potential of 3xx10^(6) valts per matre . What is the maximum voltage to which a sphere of radius 1 cm can be charged ? What is the chage required ?