Electrical Machines
What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000.

 10 volts.
 30 volts.
 40 volts.
 20 volts.

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Electrical Machines
Where the shunt generators are widely used?

 Where voltage variation is needed over a wide load range.
 Where often load fluctuation is occurred.
  Where a constant voltage is required over a narrow load range.
 Where the load is very high.

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