In the loops shown in fig. all curved se...

In the loops shown in fig. all curved section are either semicircles or quarter circles. All the loops carry same current. The magnetic fields at the centre have magnitudes `B_1, B_2,B_3 and B_4`. Then,

`B_(4)` is maximum

`B_(3)` is minimum

`B_(4)gtB_(1)gtB_(2)gtB_(3)`

`B_(1)gtB_(4)gtB_(3)gtB_(2)`

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The correct Answer is:

A, B, C

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