1
GATE EE 2022
Numerical
+1
-0.33

Two balanced three-phase loads, as shown in the figure, are connected to a $$100\sqrt 3 $$ V, three-phase, 50 Hz main supply. Given Z1 = (18 + j24) $$\Omega$$ and Z2 = (6 + j8) $$\Omega$$. The ammeter reading, in amperes, is _________. (round off to nearest integer).

GATE EE 2022 Electrical and Electronics Measurement - Basic of Indicating Instruments Question 1 English

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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 2022
Numerical
+1
-0.33

The frequencies of the stator and rotor currents flowing in the three-phase 8-pole induction motor are 40 Hz and 1 Hz, respectively. The motor speed, in rpm, is ________. (round off to nearest integer).

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4
GATE EE 2022
Numerical
+1
-0.33

A 280 V, separately excited DC motor with armature resistance of 1 $$\Omega$$ and constant field excitation drives a load. The load torque is proportional to the speed. The motor draws a current of 30 A when running at a speed of 1000 rpm. Neglect frictional losses in the motor. The speed, in rpm, at which the motor will run, if an additional resistance of value 10 $$\Omega$$ is connected in series with the armature, is __________. (round off to nearest integer).

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