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Two identical coils carrying equal curre...

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

A

0.084027777777778

B

0.042361111111111

C

`1:sqrt(2)`

D

`sqrt(2):1`

Text Solution

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The correct Answer is:
4
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