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

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

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Electrical Machines
Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will

  rotate in direction opposite to that before maintenance.
  not start at all.
  get heated and damaged.
  rotate in the same direction as before maintenance.

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