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CBSE Notes 2011-2012

A magnetic field of 5 Tesla is produced by a long wire carrying a current of 5A at a point distance ...

Multiple choice question

A magnetic field of 5 Tesla is produced by a long wire carrying a current of 5A at a point distance 2 m from it. If the distance is made four-fold, the magnetic field will be

unknown

0.5 Tesla

unknown

1.25 Tesla

unknown

0.2 Tesla

unknown

4 Tesla