Electrical Machines
If the speed of a dc motor increases with load torque, then it is a

 permanent magnet motor
 differentially compounded motor
 comulatively compounded motor
 series motor

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Electrical Machines
If two 8-pole dc machines of identical armature sare wound, one with lap winding and the other with wave winding, then

 wave-wound machine will have more rated voltage and less current
 lap-wound machine will have more rated voltage and less current
 lap-wound machine will have more rated voltage and more current
 wave-wound machine will have more rated current and more voltage

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