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Grade: 11
        
a bar magnet of geometric length 18cm has pole strength 100 A.m. Find magnetic dipole moment of bar magnet
2 years ago

Answers : (1)

aishwarya
17 Points
							
geometric length =  18cm
pole strength (m)  =  100
M  = ?
as  magnetic length(2l)  =  5\6 geometric length
magnetic length(2l)   =   5\6 .  15
                                  = 15cm
 so that   2l  =  0.15m
now  M  = m.2l
             = 100. 0.15
             = 15  Am2
 
 
one year ago
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