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Standard XII
Physics
NCERT
Question
Current
i
is flowing in a coil of area
A
&
number of turns
N
,
then magnetic moment of the coil is
M
is equal to
N
i
A
N
i
√
A
N
i
A
N
2
A
i
A
N
i
A
B
N
i
√
A
C
N
i
A
D
N
2
A
i
Open in App
Solution
Verified by Toppr
Magnetic moment is given by
M
=
N
I
→
A
,
where
→
A
is perpendicular to the area and has magnitude of the area.
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