The Figure Shows a Uniform Magnetic Field That Is Normal

Multiple Choice

The figure shows a uniform magnetic field that is normal to the plane of a conducting loop with resistance R. Which one of the following changes will cause an induced current to flow through the resistor?

A) decreasing the area of the loop
B) decreasing the magnitude of the magnetic field
C) increasing the magnitude of the magnetic field
D) rotating the loop through 90° about an axis in the plane of the paper
E) all of the above