A bar magnet of the moment M → = i ^ + j ^ is placed in a magnetic field induction B → = 3 i ^ + 4 j ^ + 4 k ^ . The torque acting on the magnet is

Question

A bar magnet of the moment M → = i ^ + j ^ is placed in a magnetic field induction B → = 3 i ^ + 4 j ^ + 4 k ^ . The torque acting on the magnet is, 4 i ^ - 4 j ^ + k ^, i ^ + k ^, i ^ - j ^, i ^ + j ^ + k ^

MARKS App · Accepted Answer

When bar magnet is palced in external magnetic field it experiences torque. τ → = M → × B → τ → = 4 i ^ - 4 j ^ + k ^

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