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Q#1 DC Machines GATE EE 2006 MCQ +2 marks -0.66 marks

A 220 V DC machine supplies 20A at 200 V as a generator.  The armature resistance is 0.2 ohm.  If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, then ratio of motor speed to generator speed is

0.87

0.95

0.96

1.06

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Topic Questions Attempted Correct
Network Analysis 259 0 0
Signals and Systems 164 0 0
Control Systems 201 0 0
Analog Electronics 180 0 0
Digital Electronics 148 0 0
Electrical Machines 390 0 0
Power Electronics 237 0 0
Power Systems 343 0 0
EMFT EE 9 0 0
Measurement 152 0 0
Engineering Mathematics 225 0 0
General Aptitude 206 0 0