1
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A single phase air core transformer, fed from a rated sinusoidal supply, is
operating at no load. The steady state magnetizing current drawn by the
transformer from the supply will have the waveform
2
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
A three-phase 440V, 6 pole, 50Hz, squirrel cage induction motor is running at a
slip of 5%. The speed of stator magnetic field to rotor magnetic field and speed
of rotor with respect to stator magnetic field are
3
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A three-phase, salient pole synchronous motor is connected to an infinite bus. It
is operated at no load a normal excitation. The field excitation of the motor is
first reduced to zero and then increased in reverse direction gradually. Then the
armature current
4
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
The direct axis and quadrature axis reactances of a salient pole alternator are $$1.2$$ $$p.u$$ and $$1.0$$ $$p.u$$ respectively. The armature resistance is negligible. If this alternator is delivering rated $$kVA$$ at $$upf$$ and at rated voltage then its power angle is
Paper analysis
Total Questions
Analog Electronics
4
Control Systems
6
Digital Electronics
3
Electric Circuits
5
Electrical and Electronics Measurement
4
Electrical Machines
6
Electromagnetic Fields
1
Engineering Mathematics
10
Power Electronics
7
Power System Analysis
8
Signals and Systems
6
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