Electrical Machines
A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors?

 6.
  4.
  2.
  data provided is insufficient.

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Electrical Machines
When the supply terminal of a DC shunt motor are interchanged

 The direction of rotation will reverse.
 The motor will run much faster in the same direction.
  The motor will run at its normal speed in the same direction as before.
 The motor will stop.

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Electrical Machines
No load primary current in a transformer

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

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