1
GATE EE 2023
Numerical
+2
-0.67

The circuit shown in the figure is initially in the steady state with the switch K in open condition and $$\overline K $$ in closed condition. The switch K is closed and $$\overline K $$ is opened simultaneously at the instant $$t=t_1$$, where $$t_1 > 0$$. The minimum value of $$t_1$$ in milliseconds, such that there is no transient in the voltage across the 100 $$\mu$$F capacitor, is ___________ (Round off to 2 decimal places).

GATE EE 2023 Electric Circuits - Transient Response Question 2 English

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2
GATE EE 2023
Numerical
+2
-0.67

A balanced delta connected load consisting of the series connection of one resistor (R = 15 $$\Omega$$) and a capacitor (C = 212.21 $$\mu$$F) in each phase is connected to three-phase, 50 Hz, 415 V supply terminals through a line having an inductance of L = 31.83 mH per phase, as shown in the figure. Considering the change in the supply terminal voltage with loading to be negligible, the magnitude of the voltage across the terminals $$V_{AB}$$ in Volts is ___________ (Round off to the nearest integer).

GATE EE 2023 Electric Circuits - Three Phase Circuits Question 3 English

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3
GATE EE 2023
MCQ (Single Correct Answer)
+1
-0.33

The following columns present various modes of induction machine operation and the ranges of slip

A B
Mode of operation Range of Slip
a. Running in generator mode p) From 0.0 to 1.0
b. Running in motor mode q) From 1.0 to 2.0
c. Plugging in motor mode r) From $$-$$1.0 to 0.0

The correct matching between the elements in column A with those of column B is

A
a-r, b-p, and c-q
B
a-r, b-q, and c-p
C
a-p, b-r, and c-q
D
a-q, b-p, and c-r
4
GATE EE 2023
MCQ (Single Correct Answer)
+1
-0.33

A 10-pole, 50 Hz, 240 V, single phase induction motor runs at 540 RPM while driving rated load. The frequency of induced rotor currents due to backward field is

A
100 Hz
B
95 Hz
C
10 Hz
D
5 Hz
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