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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 13 - Magnetic Effect of Current > Two short bar magnets of length l cm each have magnetic moments 1.20 Am^2 and 1.00 Am^2, respectively. They are placed on a horizontal table parallel to each other with their N poles pointing towards the South. They have a common magnetic equator and are separated by a distance of 20.0 cm. The value of tire resultant horizontal magnetic induction at the mid – point O of the line joining their centres is close to (Horizontal component of the earth’s magnetic induction is 3.6 x 10^-5 Wb/m^2

Two short bar magnets of length l cm each have magnetic moments 1.20 Am^2 and 1.00 Am^2, respectively. They are placed on a horizontal table parallel to each other with their N poles pointing towards the South. They have a common magnetic equator and are separated by a distance of 20.0 cm. The value of tire resultant horizontal magnetic induction at the mid – point O of the line joining their centres is close to (Horizontal component of the earth’s magnetic induction is 3.6 x 10^-5 Wb/m^2

A circular coil having N turns and radius r carries a current I. It is held in the XZ plane in a magnetic field Bi . The torque on the coil due to the magnetic field is Two short bar magnets of length l cm each have magnetic moments 1.20 Am^2 and 1.00 Am^2