A long, straight wire is fixed horizontally and carries a current of 50.0 A. A second wire having linear mass directly above this wire at a separation of 5.0 mm. What current should this second wire carry such that the magnetic repulsion can balance its weight?

A long, straight wire is fixed horizontally and carries a current of 50.0 A. A second wire having linear mass 10^(-4) Kg directly above this wire at a separation of 5.0 mm. What current should this second wire carry such that the magnetic repulsion can balance its weight?

A long, straight wire is fixed horizontally and carries a current of 50.0 A. A second wire having linear mass 10^(-4) Kg directly above this wire at a separation of 5.0 mm. What current should this second wire carry such that the magnetic repulsion can balance its weight?

Two long, straight wires, each carrying an electric current of 5.0 A, are kept parallel to each other at a separation of 2.5 cm. Find the magnitude of the magnetic force experienced by 10 cm of a wire.

A long straight wire of circular cross- section carries a current along its length. On the axis inside the wire, it follows that

A long straight wire carries a current of 35A . What is the magnetic of the field vecB at a point 20cm from the wire?

A straight horizontal copper wire carries a current i = 30 A. The linear mass density of the wire is 45 g/m. What is the magnitude of the magnetic field needed to balance its weight?