Two identical long metal wires having radius a are held parallel to each other at a separation `d (gt gt a)`. Calculate the capacitance of the system per unit length.

Two long straight wires with equal cross-sectional radii a are located parallel to each other in air. The distance between their axes equal b. Find the mutual capacitance of the wires per unit length under the condition b gt gt a .

Two similar conducting balls having charges + q and - q are placed at a separation d from each other in air. The radius of each ball is r and the separation between their centres is d (d gt gt r ). Calculate the capacitance of the two ball system

A long staraight wire is located parallel to an infinite conducting plate at a distance b, The radius of the wire is a Find the capacitance of this system per unit length of the wire under the condition altltb,

Two infinitely long straight conductors each having a charge density lamda are arranged parallel to each other. The spearation between them is d. What happens to the force per unit length on each conductor, when the separation between them is doubled?

The figure shows two identical long straight metal wires, A and B placed parallel to z-axis the cross sectional radius of each wire is R and the separation of the two wires is Dgt gtR . The electric potential at a perpendicular distance rgtR from a long straight wire due to that wire is given by V=-kln((r)/(R)) where k is a positive constant. the wires carry charges +Q and -Q per unit length respectively. Then Q. As D gt gt R , the electric field due to a long straight wire has cylindrical symmetry. The charge per unit length of the wire is

The figure shows two identical long straight metal wires, A and B placed parallel to z-axis the cross sectional radius of each wire is R and the separation of the two wires is Dgt gtR . The electric potential at a perpendicular distance rgtR from a long straight wire due to that wire is given by V=-kln((r)/(R)) where k is a positive constant. the wires carry charges +Q and -Q per unit length respectively. Then Q. As D gt gt R , the electric field due to a long straight wire has cylindrical symmetry. The charge per unit length of the wire is

The figure shows two identical long straight metal wires, A and B placed parallel to z-axis the cross sectional radius of each wire is R and the separation of the two wires is Dgt gtR . The electric potential at a perpendicular distance rgtR from a long straight wire due to that wire is given by V=-kln((r)/(R)) where k is a positive constant. the wires carry charges +Q and -Q per unit length respectively. Then Q. Consider a point P on the x-axis. The electric field at P is given by:

The figure shows two identical long straight metal wires, A and B placed parallel to z-axis the cross sectional radius of each wire is R and the separation of the two wires is Dgt gtR . The electric potential at a perpendicular distance rgtR from a long straight wire due to that wire is given by V=-kln((r)/(R)) where k is a positive constant. the wires carry charges +Q and -Q per unit length respectively. Then Q. Consider a point P on the x-axis. The electric field at P is given by: