1.

The effective length of a magnet is 31.4 cm and its pole strength is 0.5 Am. The magnetic moment, if it is bent in the form of a semicircle will be                                       [DPMT 2003]

A.            \[0.1\,\,A{{m}^{2}}\]        
B.            \[0.01\,\,A{{m}^{2}}\]
C.            \[0.2\,\,A{{m}^{2}}\]        
D.            \[1.2\,\,A{{m}^{2}}\]
Answer» B.            \[0.01\,\,A{{m}^{2}}\]


Discussion

No Comment Found

Related MCQs