JEE Mains 04-Sep-2020 Shift 1 Solved Paper

Section: Physics

Question : 9 of 75

Marks: +1, -0

A wire A, bent in the shape of an arc of a circle, carrying a current of 2 A and having radius 2 cm and another wire B, also bent in the shape of arc of a circle, carrying a current of 3 A and having radius of 4 cm, are placed as shown in the figure. The ratio of the magnetic fields due to the wires A and B at the common centre O is :

[4 Sep 2020 Shift 1]

4: 6
6: 4
6: 5
2: 5

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