Physics And Measurement Question 347
Question: Unit of magnetic moment is
[MP PET 1989]
Options:
A) $ Ampere-metre^{2} $
B) $ Ampere-metre $
C) $ Weber-metre^{2} $
D) $ Weber/metre $
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Answer:
Correct Answer: A
Solution:
M = Pole strength $ \times $ length = $ amp-metre\times metre $
$ =amp-metre^{2} $