A circular coil of radius 2.0 cm ahs 500 turns in it and carries a current of 1.0 A. Its axis makes an angle of 30° with the uniform magnetic field of magnitude 0.40 T that exist in the space. Find the torque acting on the coil.


Given-


No. of turns of the coil, n = 500


Magnetic field intensity, B = 0.40 T = 4 × 10−1 T


Radius of the coil, r = 2 cm = 2 × 10−2 m


Magnitude of current, i = 1 A


Angle between the area vector and magnetic field, θ = 30°


Torque acting on the coil,




Where


B= applied magnetic field


A= area of rectangular loop


I = current flowing through coil


= angle between the area vector and magnetic field







1