A long copper wire carries a current of `I` ampere. Calculate the magnetic flux per meter of the wire for a plane surface `S` inside the wire as shown in Fig.

A long copper wire carries a current of 10 ampere . Calculate the magnetic flux per metre of the wire for a plane surface S inside the wire as shown in the figure.

A long copper wire carries a current of 10 ampere . Calculate the magnetic flux per metre of the wire for a plane surface S inside the wire as shown in the figure.

A long, straight wire carries a current. Is Ampere's law valid for a loop that does not enclose the wire, or that encloses the wire but is not circular?

A long, straight wire carries a current. Is Ampere's law valid for a loop that does not enclose the wire, or that encloses the wire but is not circular?

A long, straight wire carries a current. Is Ampere's law valid for a loop that does not enclose the wire, or that encloses the wire but is not circular?

A straight thick long wire of uniform cross-section of radius 5cm is carrying a steady current 5A . Calculate the magnetic field at a point 2cm from the axis of wire, well inside the wire.

A uniform copper wire carries a current i amperes and has p carries per meter^3 . The length of the wire is l metres and its cross-section area is s meter^2. If the charge on a carrier is q coluombs, the drift velocity in ms^-1 is given by-

A rectangular loop carrying a current i_(2) situated near a long straight wire carrying a steady current i_(1) . The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will