Rotor rheostat control method of speed control is used for – McqOptions

MCQOPTIONS

1.	Rotor rheostat control method of speed control is used for
A.	Squirrel-cage induction motors only
B.	Slip ring induction motors only
C.	Both (A) and (B)
D.	None of the above
Answer» C. Both (A) and (B)

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