1
GATE EE 2024
MCQ (Single Correct Answer)
+1
-0.33

Which one of the following options represents possible voltage polarities in a single phase two winding transformer? Here, $V_p$ is the applied primary voltage, $E_p$ is the induced primary voltage, $V_s$ is the open circuit secondary voltage, and $E_s$ is the induced secondary voltage.

A
GATE EE 2024 Electrical Machines - Transformers Question 1 English Option 1
B
GATE EE 2024 Electrical Machines - Transformers Question 1 English Option 2
C
GATE EE 2024 Electrical Machines - Transformers Question 1 English Option 3
D
GATE EE 2024 Electrical Machines - Transformers Question 1 English Option 4
2
GATE EE 2022
MCQ (Single Correct Answer)
+1
-0.33

The type of single-phase induction motor, expected to have the maximum power factor during steady state running condition, is

A
split phase (resistance start).
B
shaded pole.
C
capacitor start.
D
capacitor start, capacitor run.
3
GATE EE 2018
MCQ (Single Correct Answer)
+1
-0.3
A single-phase 100 kVA, 1000 V / 100 V, 50 Hz transformer has a voltage drop of 5% across its series impedance at full load. Of this, 3% is due to resistance. The percentage regulation of the transformer at full load with 0.8 lagging power factor is
A
4.8
B
6.8
C
8.8
D
10.8
4
GATE EE 2016 Set 2
Numerical
+1
-0
The following figure shows the connection of an ideal transformer with primary to secondary turns ratio of 1 : 100. The applied primary voltage is 100 V (rms), 50 Hz, AC. The rms value of the current I, in ampere, is __________. GATE EE 2016 Set 2 Electrical Machines - Transformers Question 9 English
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