A magnet of magnetic moment `20_(hatk) Am^(2)` is placed along the `z-`axis in a magnetic field `vec(B)=(0.4hat(j)+0.5hat(k)) T`. The torque acting on the magnet is

A magnet of magnetic moment 50 hat(i) A-m^(2) is placed along the x-axis in a magnetic field vec(B)=(0.5hat(i)+3.0hat(j))T . The torque acting on the magnet is

A magnet of magnetic moment 50 hat(i) A-m^(2) is placed along the x-axis in a magnetic field vec(B)=(0.5hat(i)+3.0hat(j))T . The torque acting on the magnet is

A dipole of magnetic moment vec(m)=30hatjA m^(2) is placed along the y-axis in a uniform magnetic field vec(B)= (2hat i +5hatj)T . The torque acting on it is

A dipole of magnetic moment vec(m)=30hatjA m^(2) is placed along the y-axis in a uniform magnetic field vec(B)= (2hat i +5hatj)T . The torque acting on it is

A dipole of magnetic moment vec(m)=(30 hati) (A) (m)^(2) is placed along the y-axis in a, uniform magnetic field vec(B)=(2 hat(i)+5 hat(j)) . (T) . The torque acting on it is (-alpha hat(k)) . Calculate alpha .