Electrical Machines
In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve

 low starting torque.
 high efficiency.
  quick acceleration.
 reduced size.

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Electrical Machines
Flashing the field of DC generator means

  making the magnetic losses forces parallel.
  neutralising residual magnetism.
 increasing flux density by adding extra turns of winding.
  creating residual magnetism by a DC source.

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

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

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