1
GATE EE 2022
MCQ (Single Correct Answer)
+1
-0.33

In the circuit shown below, a three-phase star-connected unbalanced load is connected to a balanced three-phase supply of 100$$\sqrt 3 $$ V with phase sequence ABC. The star connected load has ZA = 10 $$\Omega$$ and ZB = 20$$\angle$$60$$^\circ$$ $$\Omega$$. The value of ZC in $$\Omega$$, for which the voltage difference across the nodes n and n' is zero, is

GATE EE 2022 Electric Circuits - Three Phase Circuits Question 9 English

A
20$$\angle$$$$-$$30$$^\circ$$
B
20$$\angle$$30$$^\circ$$
C
20$$\angle$$$$-$$60$$^\circ$$
D
20$$\angle$$60$$^\circ$$
2
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The line A to neutral voltage is $$10\angle15^\circ\;V$$ for a balanced three phase star-connected load with phase sequence ABC. The voltage of line B with respect to line C is given by
A
$$10\sqrt3\angle105^\circ\;V$$
B
$$10\angle105^\circ\;V$$
C
$$10\sqrt3\angle75^\circ\;V$$
D
$$-10\sqrt3\angle90^\circ\;V$$

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