On which of the following does the back emf set up in the stator of a – McqOptions

MCQOPTIONS

1.	On which of the following does the back emf set up in the stator of a synchronous motor depend?I. Rotor speedII. Rotor excitationIII. Coupling angleChoose the correct answer from the options given below.
A.	Only II
B.	Only II and III
C.	I, II and III
D.	Only I and III
Answer» B. Only II and III

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