Two similar coils of radius
are lying concentrically with their planes at right angles to each other. The currents flowing in them are
and
, respectively The resultant magnetic field induction at the centre will be
Text Solution
Verified by ExpertsThe correct answer is:
A

Magnetic field induction due to vertical loop at the center
is

It acts in horizontal direction.
Magnetic field induction due to horizontal loop at the center
is

It acts in vertically upward direction.
As
and
are perpendicular to each other, therefore the resultant magnetic field induction at the center
is


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