Current Electricity and Electrical InstrumentEasy

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 :

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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