A) \[{{P}_{m}}B\]
B) \[{{\mathbf{P}}_{m}}\times \mathbf{B}\]
C) \[{{\mathbf{P}}_{m}}.\text{ }B\]
D) None of these
Correct Answer: B
Solution :
\[\tau ={{P}_{m}}\times B\]You need to login to perform this action.
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