APFIVE Induced Current From a Changing Magnetic Field
A rectangular loop with dimensions a × b lies in the xy-plane. A uniform magnetic field B points in the positive z-direction and is increasing at a constant rate dB/dt. Which of the following correctly describes the induced current in the loop?
A
Counterclockwise when viewed from the positive z-axis
B
Clockwise when viewed from the positive z-axis
C
Zero because the field is perpendicular to the loop
D
Alternating in direction as B increases
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