Electrical Machines
Number of tappings for each equalizer ring is equal to

  number of parallel paths.
  number of pole pairs.
  number of poles.
  number of commutator segments.

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Electrical Machines
What will happen if the the supply terminals are reversed in case of a DC shunt motor?

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

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