Find the number of maxima attend on circular perimeter as shown in the figure. Assume radius of circle `gt gt gt lamda`.
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A spherical shell having charge +Q (uniformly distributed) and placed as shown. Find the force between shell and the point charge (r gt gt R) .

Find the number of electrons in Pd having nxxl =0 and |m|gt1

A system of three charges are placed as shown in the figure : If D gt gt d , the potential energy of the system is :

Explain the decrease in the trend of the radius: Fe gt Fe^(2+) gt Fe^(3+)

Find the number of solutions to cos x = (x)/(10), x gt 0.

Find the number of solutions to cos x = (x)/(10), x gt 0.

Find the number of solutions to cos x = (x)/(10), x gt 0.

Find the number of solutions to cos x = (x)/(10), x gt 0.

A coaxial cable carries the a current i in the inside conductor of radius a as shown in figure-4.80 and the outer conductor of inner radius b and outer radius c carries a current i' in opposite direction. Find the magnetic induction due to the coaxial cable at distance r from the central axis of the cable for (a) r gt a , (b) a lt r lt b and (c) b gt r gt c