An induction machine is operated with two values of frequencies with t – McqOptions

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1.	An induction machine is operated with two values of frequencies with the ratio of 1:2 without changing the voltage. Then the starting torque of the machine for two cases will be in the ratio of
A.	1 : 2
B.	1 : 4
C.	8 : 1
D.	4 : 1
Answer» D. 4 : 1

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