An infinitely long straight conductor carries a current of `100A`. At what distance from the conductor is the magnetic field caused by the current equal to `0.5xx10^-4T`?

A long straight conductor kept in air carries a current of 8 A. At what distance from this conductor is the magnetic field intensity equal to 2 xx 10^-5 (Wb)/m^2 ?

From an infinite stright conductor carrying a current of 100 A, the magnetic field at a distance 5m

A straight conductor carries a current of 1.5 A and is 2 m long. Find the force on it, when it is parallel to a uniform field of 2xx10^-2T

A straight conductor carries a current of 1.5 A and is 2 m long. is placed in a uniform magnetic field of 0.15 T Find the force on it, when it is perpendicular.

A current 'I' flows along an infinitely long straight conductor. If 'r' is the perpendicular distance of a point from the lower end of the conductor, then the magnetic induction B is given by

A current 'I' flows along an infinitely long straight conductor. If 'r' is the perpendicular distance of a point from the lower end of the conductor, then the magnetic induction B is given by

The strength of the magnetic field around a long straight current carrying conductor :

What is the shape of the magnetic field lines due to a straight current carrying conductor ?