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Magnetics question

2020 · 4 Sep · Shift 1 · Q52
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Magnetics question

2020 · 4 Sep · Shift 1 · Q52

JEE MainPhysicsMagneticsMCQ+4 / −1
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 : JEE Main 2020 (Online) 4th September Morning Slot Physics - Magnetic Effect of Current Question 147 English
  1. A
    4 : 6
  2. B
    6 : 4
  3. C
    2 : 5
  4. D
    6 : 5
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