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QUESTION
A 24-V, 10-W separately excited DC motor has an armature resistance of 4.5 ohms. The power consumed on the field winding is negligible.
The parameters of a separately excited DC motor are given below. Determine its speed in rpm when the supply voltage is 10 volts and it draws 2 amps from the source.
Armature resistance: Ra= 0.7 Ohms
Voltage constant k = 0.038 Volt/(rad/s)
