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Magnetics question

2023 · 24 Jan · Shift 1 · Q52
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  5. /2023 · 24 Jan · Shift 1 · Q52

Magnetics question

2023 · 24 Jan · Shift 1 · Q52

JEE MainPhysicsMagneticsMCQ+4 / −1
A circular loop of radius rrr is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance r from the center of the loop on its axis is :
  1. A
    3 2\sqrt22​ : 2
  2. B
    1 : 3 2\sqrt22​
  3. C
    2 2\sqrt22​ : 1
  4. D
    1 : 2\sqrt22​
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