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A small conducting sphere of radius r is lying concentrically inside a bigger hollow Conducting of radius R. The bigger and smaller spheres are charge with Q and q (Q>q) and are insulated from each other. The potential difference between the spheres will be

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Q. A small conducting sphere of radius

r

is lying concentrically inside a bigger hollow conducting sphere of radius

R

. The bigger and smaller spheres are charged with

Q

q

(Q > q)

and are insulated from each other. The potential difference between the spheres will be :

Q. A small conducting sphere of radius

r

is lying concentrically with a bigger hollow conducting sphere of radius

R

. The bigger and smaller spheres are charged with

Q

q

(Q > q)

. The two spheres are insulated from one another. The potential difference between the spheres will be :

Q. A hollow sphere of radius

2 R

V

volts and another smaller sphere of radius

R

is placed inside the bigger sphere without changing the net charge on each sphere. The potential difference between the two spheres would be :

Q. A large conducting sphere of radius

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, having a charge

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is placed in contact with a small neutral conducting sphere of radius

r^{'}

and is then separated. The charge on smaller sphere will now be:

Q. Two spheres are isolated from each other. They each have an identical net positive charge and the same radius. One sphere is solid and insulating while the other is a hollow conducting sphere whose charge is uniformly distributed.
For which sphere is the electric field the greatest at a distance x from the center of the spheres? Assume x is greater than the radius of the spheres.

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