A straight wire of diameter 0.5mm carrying a current 2A is replaced by another wire of diameter I mm carrying the saine current. The magnetic induction at a distance 2m away from the centre is :

A straight wilre of diameter 0.5 mm carrying a current 2A is replaced by another wire of diameter 1 mm carrying the same current. The strength of magnetic field at a distance 2 m away from the centre is

A straight wilre of diameter 0.5 mm carrying a current 2A is replaced by another wire of diameter 1 mm carrying the same current. The strength of magnetic field at a distance 2 m away from the centre is

A straight wire of diameter 0.4 mm carrying a current of 2A is replaced by another wire of 0.8 mm diameter and carrying the same current. The magnetic field at the same distance from the wire is

A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by another wire of 1 mm diameter carrying the same current. The strength of magnetic field far away is

A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by another wire of 1 mm diameter carrying the same current. The strength of magnetic field far away is

A straight wire of diametre 0.5 mm carrying a current of 1 A is replaced by another wire of 1mm diametre carrying same current. The strenth of magnetic field far away is

A straight wire of diametre 0.5 mm carrying a current of 1 A is replaced by another wire of 1mm diametre carrying same current. The strenth of magnetic field far away is

A straight wire of diameter 1 mm carrying a current of 2 amperes is replaced by another wire of 2 mm diameter. the strength of the magnetic field far away is