1.

A bar magnet of magnetic moment \[\overrightarrow{M}\] is placed in a magnetic field of induction \[\overrightarrow{B}\]. The torque exerted on it is [EAMCET (Engg.) 1995; CBSE PMT 1999; BHU 2003; CPMT 2004; MP PMT 2001, 05]

A.            \[\overrightarrow{M}.\overrightarrow{B\,}\]           
B.            ? \[\overrightarrow{M}.\overrightarrow{B\,}\]
C.            \[\overrightarrow{M}\times \overrightarrow{B\,}\]            
D.            \[\overrightarrow{B\,}\times \overrightarrow{M}\]
Answer» D.            \[\overrightarrow{B\,}\times \overrightarrow{M}\]


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