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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 5 - Magnetic Field > If we double the radius of a coil keeping the current through it unchanged, then the magnetic field at any point at a large distance from the centre becomes approximately

If we double the radius of a coil keeping the current through it unchanged, then the magnetic field at any point at a large distance from the centre becomes approximately

If we double the radius of a coil keeping the current through it unchanged then the magnetic field at any point at a large distance from the centre becomes approximately