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

Calculate the self inductance per unit length of a current loop formed by joining the ends of two long parallel wires of radius r separated by a distance d between their axes, neglecting the end effects and magnetic flux within the wires.

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 .

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

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