Physics And Measurement Question 271
Question: Unit of magnetic moment is
Options:
A) ampere- $ metre^{2} $
B) ampere-metre
C) weber- $ metre^{2} $
D) weber/metre
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ M=Polestrength\times ~length $
$ =amp-metre\times metre=amp-metre^{2} $