to an 2 0 th of ved 4 59 A straight wire of diameter 0 5mm

Last updated: 6/11/2023

to an 2 0 th of ved 4 59 A straight wire of diameter 0 5mm carrying a current 2A is replaced by another wire of diameter 1mm carrying the same current The magnetic induction at a distance 2m away from the centre is A Half of the previous value B Twice of the previous value C Unchanged D Quarter of its previous value