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Magnetic Field Due to Circular Current Carrying Conductor

If the radius...

Question

If the radius of four circular current carrying loops with same currents are R₁ > R₂ > R₃ > R₄, select the right option regarding the strength of magnetic field at the centre of the circular loops. (Let M₁, M₂, M₃ and M₄ be the strength of magnetic fields of the four coils respectively).

A

M₁ = M₂ = M₃ = M₄

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B

M₁ < M₂ < M₃ < M₄

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C

M₁ > M₂ = M₃ < M₄

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D

M₁ > M₂ > M₃ > M₄

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Solution

The correct option is B M₁ < M₂ < M₃ < M₄

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