11. As shown in the Figure, a coil with 20 turns of wire is wrapped on a frame with a square cross section 2.00 cni on a side. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 0.5002. An applied uniform magnetic field B is perpendicular to the plane of the coil. (a) If the field changes uniformly from 0.80 T to 0.300 T in 0.800 s, what is the induced emf in the coil while the field is changing? (b) Find the magnitude and the direction of the induced current in the coil while the field is changing.
11. As shown in the Figure, a coil with 20 turns of wire is wrapped on a frame with a square cross section 2.00 cni on a side. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 0.5002. An applied uniform magnetic field B is perpendicular to the plane of the coil. (a) If the field changes uniformly from 0.80 T to 0.300 T in 0.800 s, what is the induced emf in the coil while the field is changing? (b) Find the magnitude and the direction of the induced current in the coil while the field is changing.
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Transcribed Image Text:11. As shown in the Figure, a coil with 20 turns of wire is wrapped on a frame with a
square cross section 2.00 cm on a side. Each turn has the same area, equal to that of
the frame, and the total resistance of the coil is 0.5002. An applied uniform magnetic
field B is perpendicular to the plane of the coil.
(a) If the field changes uniformly from 0.80 T to
0.300 T in 0.800 s, what is the induced emf in the
coil while the field is changing?
(b) Find the magnitude and the direction of the
induced current in the coil while the field is
changing.
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