Wire A carries a current of

MATHEMATICS · Subjective · ISC · Physics · Magnetic Effects of Current and Magnetism · Ampere's circuital law

Problem

8\,\text{A}

. At a point

3\,\text{cm}

from A, the magnetic field has a certain magnitude. Wire B is placed such that a point

5\,\text{cm}

from it experiences a magnetic field of the same magnitude. Determine the current that must flow through wire B.