A hollow cylinder of specific resistance rho , inner radius R , outer radius 2R and length 1 is as shown in figure. What is the net resistance between the inner and outer surfaces?
A cylindrical tube of length l has inner radius a while outer radius b. What is the resistance of the tube between (a) its ends (b) inner and outer surfaces ? (The resistivitiy of its material is p)
A point charge +q is placed at the centre of a conducting spherical shell of inner radius a and outer radius b. Find the charge appearing on the inner and outer surface of the shell.
Statement-1 : A hollow metallic sphere of inner radius a and outer radius b has charge q at the centre. A negatively charged moves from inner surface outer surface. Then total work done will be zero. Statement-2: Potential is constant inside the metallic sphere.
A copper cylindrical tube has inner radius a and outer radius b. The resistivity is p. The resistance of . the cylinder between the two ends is
Space between tow concentric spheres of radii r_(1) and r_(2) such that r_(1) lt r_(2) is filled with a material of resistivity rho . Find the resistance between inner and outer surface of the material
