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# Question: a coil of wire is rotated at a constant rate...

###### Question details

A coil of wire is rotated at a constant rate in a uniform magnetic field and the output voltage of the coil is displayed on an oscilloscope as shown in the sketch at the left below. If the settings on the oscilloscope remain fixed and the frequency of rotation is doubled, the trace on the oscilloscope would appear as which of the lettered choices shown?