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How to find magnetic moment of semicircle when length of wire and pole strength are given?question is:- 62.8cm long magnetized wire is bent into the form of a semicircle.The pole strength is 2Am.Moment of resultant magnet is?a)2*31.4b)2*.314c)2* .1d)2*.4e)2*.628

Sanandanan M , 12 Years ago
Grade 12
anser 2 Answers
Shyama P

Last Activity: 12 Years ago

Effective length =2R=2l/pi

Mag. moment= p*2R= 2*62.8*2*10-2/3.14

Is the ans: 2*.4

Sanandanan M

Last Activity: 12 Years ago

yeah, thanks shyama

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