Current Electricity and Electrical InstrumentHard
Question
A 25 cm long solenoid has radius 2 cm and 500 total number of turns. It carries a current of 15 A. If it isequivalent to a magnet of the same size and magnetization 
(magnetic moment/volume), then |
|is :
(magnetic moment/volume), then ||is :Options
A.3π Am-1
B.30000π Am-1
C.300π Am-1
D.30000 Am-1
Solution
(mag. moment / volume) = 
=
=
= 30000 Am-1
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