Inside a long solid conducting wire, the magnetic field at distance r from the axis is B=B₀r³. Which relation correctly gives the current enclosed by a circular Amperian loop of radius r?

Physics · Magnetic effect of current

JEE MainsNEET

Inside a long solid conducting wire, the magnetic field at distance r from the axis is B=B₀r³. Which relation correctly gives the current enclosed by a circular Amperian loop of radius r?

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