A coil of 50 turns has a cross-sectional area of 4.2x10^-3 m^2. It is placed at an angle to a uniform magnetic field of flux density 2.8 x 10^-2 T, so that the angle = 50degrees. What is the change in flux linkage when the coil is rotated anticlockwise until angle = 0degree?

2 answers

3.8 wb turns increase
2.1 x 10^-3 Wb turns increase