A rectangular loop consists of `N = 100` closed wrapped turns and has dimensions `(0.4 m xx 0.3 m)`. The loop is hinged along the y-axis and its plane makes an angle `theta = 30^@` with the x-axis. What is the magnitude of the torque exerted on the loop by a uniform magnetic field `B = 0.8 T` directed along the x-axis when current is `i = 1.2 A` in the direction shown. What is the expected direction of rotation of the loop?

Answer

`[4.3 xx 10^(-3)Nm]`