Question:
is A straight wire of diameter 0 5 mm carrying a current of
Last updated: 6/30/2023
is A straight wire of diameter 0 5 mm carrying a current of 1A is replaced by another wire of diameter 1 mm carrying the same current The strength of magnetic field far away 1 twice the earlier value 3 one quarter of the earlier value 2 one half of the earlier value 4 same as earlier value distance of 5m between them If P and Q carry current of