In the method of speed control of induction motor by inducing emf in t – McqOptions

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1.	In the method of speed control of induction motor by inducing emf in the rotor circuit, if the injected voltage is in phase opposition to the induced rotor emf, then:
A.	the rotor resistance decreases
B.	the rotor resistance increases
C.	the rotor reactance decreases
D.	the rotor reactance increases
Answer» C. the rotor reactance decreases

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