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Electrical Machines
Induction Machines
Marks 1Marks 2
D.C Machines
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Synchronous Machines
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Transformers
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1
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
If an ac voltage wave is corrupted with an arbitrary number of harmonics, then the overall voltage waveform differs from its fundamental frequency component in terms of
A
only the peak values
B
only the rms values
C
only the average values
D
all the three measures (peak, rms and average values)
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The magnetizing current in a transformer is rich in
A
3rd harmonic
B
5th harmonic
C
7th harmonic
D
13th harmonic
3
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:
A
e = iR
B
$$\mathrm e\;=\;\mathrm L\frac{\operatorname d\mathrm i}{\operatorname d\mathrm t}$$
C
$$\mathrm e\;=\;-\frac{\operatorname d\mathrm\psi}{\operatorname d\mathrm t}$$
D
none of these
4
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.
A
is less than core loss
B
is equal to core loss
C
is more than core loss
D
none of the above
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Questions Asked from Marks 1
GATE EE 2024 (1) GATE EE 2022 (1) GATE EE 2018 (1) GATE EE 2016 Set 2 (1) GATE EE 2016 Set 1 (1) GATE EE 2015 Set 1 (1) GATE EE 2014 Set 2 (2) GATE EE 2014 Set 1 (1) GATE EE 2013 (1) GATE EE 2011 (1) GATE EE 2010 (1) GATE EE 2009 (1) GATE EE 2008 (1) GATE EE 2007 (1) GATE EE 2006 (1) GATE EE 2005 (1) GATE EE 2003 (1) GATE EE 2002 (1) GATE EE 2001 (2) GATE EE 2000 (2) GATE EE 1998 (3) GATE EE 1997 (1) GATE EE 1996 (3) GATE EE 1995 (2) GATE EE 1994 (2) GATE EE 1992 (2)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement