1
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
The core flux of a practical transformer with a resistive load
A
is strictly constant with load changes
B
increases linearly with load
C
increases as the square root of the load
D
decreases with increased load
2
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
In a constant voltage transformer (CVT), the output voltage remains constant due to
A
capacitor
B
input inductor
C
saturation
D
tapped windings
3
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)
4
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
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