Posted by **Amy** on Sunday, January 13, 2013 at 10:22am.

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?

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