Electrical Machines
Which is the arrangement of windings in a core type single phase transformer?

 Sandwiched lv and hv discs on each core limb
 Half hv inside and half lv outside on each core limb
 Lv on one core limb and hv on the other
 Half lv inside and half hv outside on each core limb

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Electrical Machines
Ward-Leonard system for controlling the speed of a DC motor is used where

 Very fine speed control over the whole range from zero to normal speed is required.
 The accuracy in speed control is required.
 The speed in both the direction is required.
 All of above.

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