1
GATE EE 2025
Numerical
+2
-0
In the Wheatstone bridge shown below, the sensitivity of the bridge in terms of change in balancing voltage $E$ for unit change in the resistance $R$, in $\mathrm{mV} / \Omega$, is _________ (round off to two decimal places) GATE EE 2025 Electrical and Electronics Measurement - Measurement of Resistance and A.C Bridges Question 1 English
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2
GATE EE 2025
MCQ (Single Correct Answer)
+1
-0.33

The operating region of the developed torque ( $T_{\mathrm{em}}$ ) and speed ( $\omega$ ) of an induction motor drive is given by the shaded region OQRE in the figure. The load torque $\left(T_L\right)$ characteristic is also shown. The motor drive moves from the initial operating point O to the final operating point S . Which one of the following trajectories will take the shortes time?

GATE EE 2025 Electrical Machines - Induction Machines Question 2 English
A
$O-Q-R-S$
B
$\mathrm{O}-\mathrm{P}-\mathrm{S}$
C
$O-E-S$
D
$\mathrm{O}-\mathrm{F}-\mathrm{S}$
3
GATE EE 2025
MCQ (More than One Correct Answer)
+1
-0
Instruments required to synchronize an alternator to the grid is/are
A
Voltmeter
B
Wattmeter
C
Synchroscope
D
Stroboscope
4
GATE EE 2025
Numerical
+1
-0
The induced emf in a 3.3 kV , 4-pole, 3-phase, star-connected synchronous motor is considered to be equal and in phase with the terminal voltage under no load condition. On application of a mechanical load, the induced emf phasor is deflected by an angle of $2^{\circ}$ mechanical with respect to the terminal voltage phasor. If the synchronous reactance is $2 \Omega$, and stator resistance is negligible, then the motor armature current magnitude, in ampere, during loaded condition, is closest to __________ . (round off to two decimal places)
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