Electrical Machines
Which of the following motors is/are widely used?

 either of these
None of these
 squirrel cage induction motor
 slip ring induction motor

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Electrical Machines
For an ideal transformer the winding should have

 minimum resistance on primary side and maximum resistance on secondary side
 maximum resistance on primary side and least resistance on secondary side
 equal resistance on primary and secondary side
 no ohmic resistance on either side

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