35 Two co axial metallic long cylindrical shell carry current of equal magnitude in opposite direction If the radii of the

Question

35 Two co axial metallic long cylindrical shell carry current of equal magnitude in opposite direction If the radii of the cylinders are a and b a then which plot represents the variation of magnetic field with the distance r from the axis of the cylinder 1 3 AB r ar br AB r a r b 2 4 AB AB 1 r a r b

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