Which one of the following graphs shows the variation of magnetic induction B which distance r from a long wire carrying a current ?

Which one of the following graphs, shows the variation of magnetic induction B with distance from a long thin and straight wire carryning a current

Find the magnetic induction at a distance of 5 cm from a long straight wire carrying a current of 5A

The graph showing the variation of the magnetic field strength (B) with distance (r) from a long current carrying conductor is.

What is the magnetic induction at a distance of 5 cm from a straight wire carrying a current of 5 mA ?

Represent graphically the variation of magnetic field with distance from a long current carrying wire.