Calculate the inductance of a unit length of a double tape line as shows in Fig if the tapes are separated by a distance `h` which is considerably less than their width `b`.

Calculate the inuctance of a unit length of a double tape line (Fig) if the tapes are separated by a distance h which is considerabley less than their width b , namely, b//h = 50 .

The inductance per unit length of a double tape line as shown in the figure

Find the inductane of a unit length of a double line if the radius of each wire is eta times less than the distance between the axes of the wires. The field inside the wires is to be neglected, the permeability is assumed to be equal to unity throughout, and eta gt gt 1 .

Find the inductance of a solenoid of length l whose winding is made of copper wire of mass m . The winding resistance is equal to R . The solenoid diameter is considerably less than its length.

The length of a thin wire required to manufacture a solenoid of length l = 100 cm and inductance L = 1 mH , if the solenoid's cross-sectional diameter is considerably less than its length is

A thread carrying a unifrom charge lambda per unit length has the configuration shown in fig, Assuming a curvature radius R to be considerably less than the length of the thread, find the magnitude fo the electric field strength at the point O . ,

Calculate the mutual inductance of a long straight wire and a rectangular frame with sides a and b . The frame and the wire lie in the same plan, with the side b being closent to the wire, separated by a distance l from it and oriented parallel to it.