From a cylinder of radius R, a cylider of radius `R//2` is removed, as shown in Fig. Current flowing in the remaining cylinder is I. Then, magnetic field strength is

From a cylinder of radius R, a cyclinder of radius R/2 is removed, as shown . Current flowing in the remaning cylinder is l. magnetic field strength is :

A cylinder of radius R_(1) have cylinderical cavity of radius R_(2) as shown in the figure and have current density J (down ward). Find Magnetic field when when point is in cavity

A cylinder of radius R_(1) have cylinderical cavity of radius R_(2) as shown in the figure and have current density J (down ward). Find Magnetic field when rgtR_(1) (on x-axis towards right)

From a uniform disc of radius R, a small disc of radius (R)/(2) is cut and removed as shown in the diagram. Find the center of mass of the remaining portion of the disc.

An infinity long cylinder of radius R has an infinitely long cylindrical cavity of radius (R)/(2) are shown in the figure. The remaining portion has uniform volume charge density rho . The magnitude of electrical field at the centre of the cavity is-

An infinity long cylinder of radius R has an infinitely long cylindrical cavity of radius (R)/(2) are shown in the figure. The remaining portion has uniform volume charge density rho . The magnitude of electrical field at the centre of the cavity is-

Inside a uniformly charged infinitely long cylinder of radius 'R' and volume charge density 'rho' there is a spherical cavity of radius 'R//2'. A point 'P' is located at a dsintance 2 R from the axis of the cylinder as shown. Then the electric field strength at the point 'P' is