In a synchro transmitter-control transformer, the voltage induced in rotor winding of control transformer is zero when the angular displacement between rotors of transmitter and transformer is

In a synchro transmitter-control transformer, the voltage induced in r

1.	In a synchro transmitter-control transformer, the voltage induced in rotor winding of control transformer is zero when the angular displacement between rotors of transmitter and transformer is
A.	0¬∞
B.	90¬∞
C.	180¬∞
D.	either (a) or (c)
Answer» C. 180¬∞