Electrical Machines
In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed?

 The speed will remains almost constant.
 The speed will increase abruptly.
 The speed will increase in proportion to reduction in load.
 The speed will increase gradually.

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Electrical Machines
The speed of a DC series motor is

 Proportional to the square of the armature current.
 Proportional to the armature current.
 Inversely proportional to the armature current.
 Proportional to field current.

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