DC Motors
The power mentioned on the name plate of an electric motor indicates

The power drawn in kVA
The gross power
The power drawn in kW
The output power available at the shaft

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DC Motors
As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit

A high value resistor is connected across the field winding
A resistance is connected in series with armature
A resistance is connected parallel to the armature
Armature is temporarily open circuited

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