Electrical Machines
In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the

 motor armature terminal.
 motor field terminal.
 generator armature terminal.
 generator field terminal.

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Electrical Machines
No load primary current in a transformer

 leads the applied voltage somewhat less than 90Ã&
 lags behind applied voltage by exactly 90Â&am
 leads the applied voltage by exactly 90Â&
 lags behind applied voltage somewhat less than 90Ã

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