A 25 cm long solenoid has radius 2cm and 500 total number of turns. It carries a current of 15 A. If it is equivalent to a magnet of the same size and magnetization (magnetic moment/volume), then is
As we learnt in
Magnetic moment (M) -
M=NiA
- wherein
N-number of turns in the coil
i-current throughout the coil
A-area of the coil
Option 1)
Incorrect
Option 2)
Correct
Option 3)
Incorrect
Option 4)
Incorrect
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