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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A circular ring of radius R with uniform positive charge density λ per unit length is located in the y z plane with its center at the origin O. A particle of mass m and positive charge q is projected from that point p(−3–√R,0,0) on the negative x – axis directly toward O, with initial speed V. Find the smallest (nonzero) value of the speed such that the particle does not return to P ?

A circular ring of radius R with uniform positive charge density λ per unit length is located in the y z plane with its center at the origin O. A particle of mass m and positive charge q is projected from that point p(−3–√R,0,0) on the negative x – axis directly toward O, with initial speed V. Find the smallest (nonzero) value of the speed such that the particle does not return to P ?

are put such that their axes coincide and their centers are 0.12m apart. A charge of 10−6C is spread uniformly on each loop. Find the potential difference between the centers of the loops. respectively Two circular loops of radii 0.05 m and 0.09 m