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Magnetics question

2019 · 10 Apr · Shift 2 · Q47
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Magnetics question

2019 · 10 Apr · Shift 2 · Q47

JEE MainPhysicsMagneticsMCQ+4 / −1
The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is : [Take μ\muμ 0 = 4 π\piπ × 10–7 NA–2]
  1. A
    3 μ\muμ T
  2. B
    18 μ\muμ T
  3. C
    9 μ\muμ T
  4. D
    1 μ\muμ T
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