1.

A cylindrical rod magnet has a length of 5 cm and a diameter of 1 cm. It has a uniform magnetisation of 5.30 × 103Amp/m3. What its magnetic dipole moment

A.            \[1\times {{10}^{-2}}J/T\]      
B.            \[2.08\times {{10}^{-2}}J/T\]
C.            \[3.08\times {{10}^{-2}}J/T\]
D.             \[1.52\times {{10}^{-2}}J/T\]
Answer» C.            \[3.08\times {{10}^{-2}}J/T\]


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