Questions
If four bar magnets of moments and arranged to form a square with unlike poles at each corner, then its new magnetic moment is
a
5M
b
5M
c
22M
d
5−5M
detailed solution
Correct option is C
M→1=3M (+i^)M→2=4M (-j^)M→3=M (-i^)M→4=2M (+j^)Hence, M→net=3M (+i^)+4M (-j^)+M (-i^)+2M (+j^) = 2Mi^-2Mj^⇒M→net=22MTalk to our academic expert!
Similar Questions
If a hole is made at the centre of a bar magnet, then its magnetic moment will
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