The Circuit Shown Is in a Uniform Magnetic Field That

Multiple Choice

The circuit shown is in a uniform magnetic field that is into the page. The current in the circuit is 0.20 A. At what rate is the magnitude of the magnetic field changing: Is it increasing or decreasing?:

A) zero
B) 140 T/s, decreasing
C) 140 T/s, increasing
D) 420 T/s, decreasing
E) 420 T/s, increasing