Question:

A straight wire of diameter of 0 5 mm carrying a current of

Last updated: 6/1/2023

A straight wire of diameter of 0 5 mm carrying a current of

A straight wire of diameter of 0 5 mm carrying a current of 1A is replaced by another wire of 1mm diameter carrying the same current The strength of magnetic field far away is unchanged B quarter of its earlier value twice the earlier value half of the earlier value D A C