Answer:
Magnetic susceptibility
As and have same units and dimensions,
hence has no dimensions.
In this
question, is to be related with We know that dimensions of
[From
Biot Savart's law,
or
Dimensions
of
Where
is for charge]
As is dimensionless, it should have
no involvement of charge in its
dimensional formula. It will be so if and
together should have the value , as e has the dimensions of
charge.
Let
......
where
a, b, c are the powers of , and such
that relation is satisfied.
Dimensional
equation ofis
Equating
the powers of and , we get
0 =
1 + or =
-1 ; 0 = 1 + b + c ?? 0 =
-b or b = 0 ; From, 0 = 1 + 0 + c or c =
-1
Putting
values in, we get
Here,
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