Two concentric conducting spheres of radii `R` and `2R` are crrying charges `Q` and `-2Q`, respectively. If the charge on inner sphere is doubled, the potetial differece between the two spheres will

Two concentric conducting spheres of radii R and 3R carrying charges Q and 2Q respectively.If the charge on inner sphere is doubled.The potential difference between inner and outer spheres will..?

Two concentric conducting shells of radii R and 2R are having charges Q and -2Q respectively.In a region r

Two hollow concentric non-conducting spheres of radius the a and b (a gt b) contain charges Q_(a) and Q_(b) respectively. Prove that potential difference between the two spheres is independent of charge on outer sphere. If outer sphere is given an extra charge, is there any change in potential difference ?

Two hollow concentric non-conducting spheres of radius the a and b (a gt b) contain charges Q_(a) and Q_(b) respectively. Prove that potential difference between the two spheres is independent of charge on outer sphere. If outer sphere is given an extra charge, is there any change in potential difference ?

Two conducting spheres of radii r_(1) and r_(2) having charges Q_(1) and Q_(2) respectively are connected to each other. There is

A and B are two thin concentric hollow conductors having radii a and 2a and charge 2Q and Q, respectively. If potential of outer sphere is 5V, then potential of inner sphere is

A and B are two thin concentric hollow conductors having radii a and 2a and charge 2Q and Q, respectively. If potential of outer sphere is 5V, then potential of inner sphere is

Two concentric spherical conducting shells of radii r and R (r lt R ) carry charges q and Q respectively . The two shells are now connected by a conducting wire. The final charge on the inner shell is