A wire loop of radius 0.10m lies so that an external magnetic field of magnetic 0.50T is perpendicular to the loop. the field changes its magnitude to 0.01 T in 2.5 s. find the magnitude and the direction of the average induced emf in the loop during this time.

Answer 1

EMF= d flux/dt= (.5-.01)/PI*r^2*2.5

direction? You will have to look at the drawing and use your hand rules.