The magnetic flux density at a point distant d from a long straight current carrying conductor is B, then its value at distance `d/2` will be-

The strength of the magnetic field at a point distance 10 cm from a long straight current carrying wire is B . The field at a distance 5 cm will be :

The magnetic field at a distance 10 cm from a long straight current carrying conductor is 0.8T. The magnetic field at a distance 40 cm is

The magnetic field developed at a point near a straight current carrying conductor depends on

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

How does the magnetic field at a point near a long straight current-carrying conductor vary with the current and the distance of the point ?

The magnetic flux denisty B at a distance r from a long stright rod carrying a steady current varies with r as show in the

The strength of the magnetic field at a point r near a long straight current carrying wire is B . The field at a distance r/2 will be

The strength of the magnetic field at a point r near a long straight current carrying wire is B . The field at a distance r/2 will be

The strength of the magnetic field at a point r near a long straight current carrying wire is B . The field at a distance r/2 will be

The strength of the magnetic field at a point r near a long straight current carrying wire is B . The field at a distance r/2 will be