1
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
A 3-phase squirrel cage induction motor has a full load efficiency of 0.8 and a
maximum efficiency of 0.9. It is operated at a slip of 0.6 by applying a reduced
voltage. The efficiency of the motor at this operating point is:
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The efficiency of a 100 kVA transform is 0.98 at full as well as at half load. For
this transformer at full load the copper loss.
3
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The magnetizing current in a transformer is rich in
4
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized
in the following equation:
Paper analysis
Total Questions
Analog Electronics
5
Control Systems
7
Digital Electronics
5
Electric Circuits
8
Electrical and Electronics Measurement
5
Electrical Machines
11
Electromagnetic Fields
3
Engineering Mathematics
6
Power Electronics
5
Power System Analysis
11
Signals and Systems
1
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