If a control transformer is held at electrical zero and the control transmitter is turned 90 degrees counterclockwise, what is (a) the amplitude of the induced voltage in the rotor of the control transformer, and (b) the phase relationship of this voltage and the excitation voltage to the control transmitter?
A. (a) Minimum (b) in phase
B. (a) Minimum (b) out-of-phase
C. (a) Maximum (b) in phase
D. (a) Maximum (b) out-of-phase
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