Consider the following statements about magnetic field due to a current-carrying straight conductor:
(a) The magnetic field at a distance r from the wire is in the form of a concentric circle.
(b) The radius of the concentric circle increases as the distance from the conductor increases.
Which of the above statements is/are correct?
1
Both (a) and (b)
2
Only (a)
3
Only (b)
4
Neither (a) nor (b)