Question:
A long straight wire of circular cross section of radius 5
Last updated: 6/7/2023
![A long straight wire of circular cross section of radius 5](https://media.kunduz.com/media/sug-question-candidate/20210603104409587927-1876215.jpg?h=512)
A long straight wire of circular cross section of radius 5 cm is carrying a steady current of 10 A uniformly distributed over its cross section If the magnetic field induction at 2cm from the axis of the wire is same as that at a distance x from its surface then x is A 15cm B 7 5cm C 25cm D 15cm