The magnetic induction at a point P which is at adistance of 4 cm from a long current carrying wire is 10 -“3 TThe field of induction at a distance 12 cm from thecurrent will be [1990]

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The magnetic induction at a point P which is at adistance of 4 cm from a long current carrying wire is 10 -“3 TThe field of induction at a distance 12 cm from thecurrent will be [1990]