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Grade 11AIIMS MBBS

Two identical coils carrying currents , have a common centre and their olanes are at right angles to each other. Find the ratio of the resultant magnetic field at the centre and the field due to one coil alone.

Abhishek Dogra

7 Years agoGrade 11

1 Answer

Aditya Gupta

Approved Tutor Answer7 Years ago

The magnetic field due to each coil is equal in magnitude and perpendicular to each other

Let magnetic field due to one of them be B
Then the resultant magnetic field due to 2 coil = √(B^2+B^2)= B√2

The ratio of the magnitude of the resultant magnetic field at the centre and the field due to one coil = B√2 : B

= √2 : 1

kindly approve :)

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