A double loop of wire (making 2 turns) is in the x-y plane centered at the origin. A uniform magnetic field is increasing at a constant rate in the positive z-direction. Viewed from the positive z-axis, in which direction is the induced magnetic field in the loop?
a. in the positive z-direction
b. in the negative z-direction
c. There is no induced field because of the double loop.
d. There is no induced field because the rate of change of the magnetic field is constant.
b
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