Calculate torque acting on a bar magnet of length 20 cm magnetic dipole moment `
Channel: Doubtnut
Date: 2020-03-29

Calculate torque acting on a bar magnet of length 20 cm magnetic dipole moment `4 xx 10^(-6) Am^(2)` , which is placed in earth\'s magnetic field of flux density ` 2 xx 10^(-5) T` , perpendicular to the field .