A solenoid has a core of a material with relative permeability of 500. The windings of the solenoid are insulated from the core and carry a current of 2 A. If the number of turns is 1000 per meter, then magnetisation is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Magnetization, 
then,
Here, 
and 
or 
.
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