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Magnetics question

2022 · 28 Jul · Shift 2 · Q52
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Magnetics question

2022 · 28 Jul · Shift 2 · Q52

JEE MainPhysicsMagneticsMCQ+4 / −1
The magnetic field at the center of current carrying circular loop is B1B_{1}B1​. The magnetic field at a distance of 3\sqrt{3}3​ times radius of the given circular loop from the center on its axis is B2B_{2}B2​. The value of B1/B2B_{1} / B_{2}B1​/B2​ will be
  1. A
    9 : 4
  2. B
    12 : 5\sqrt55​
  3. C
    8 : 1
  4. D
    5 : 3\sqrt33​
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