Question
Two spheres of radii 
and 
joined by a fine wire are raised to a potential V. Let the surface charge densities at these two spheres be 
and 
respectively. Then the ratio 
has a value
- 1
The correct answer is:
Related Questions to study
A large insulated sphere of radius r charged with Q units of electricity is placed in contact with a small insulated uncharged sphere of radius r and in then separated. The charge on smaller sphere will now be
A large insulated sphere of radius r charged with Q units of electricity is placed in contact with a small insulated uncharged sphere of radius r and in then separated. The charge on smaller sphere will now be
The magnitude of electric field 
in the annual region of a charged cylindrical capacitor
The magnitude of electric field in the annual region of a charged cylindrical capacitor
The equivalent capacitance across 
Fig is
The equivalent capacitance across Fig is
What is the potential difference across 2
F capacitor in the circuit shown?
What is the potential difference across 2F capacitor in the circuit shown?
The maximum field intensity on the axis of a uniformly charged ring of charge q and radius R will be
The maximum field intensity on the axis of a uniformly charged ring of charge q and radius R will be
, 
, 
and 
follow the order
