Question
In the circuit shown below, a three-phase star-connected unbalanced load is connected to a balanced threephase supply of 100√3 V with phase sequence ABC.
The star connected load has ZA = 10Ω and ZB =20∠60°Ω. The value of ZC in Ω , for which the voltage difference across the nodes n and n' is zero, is
Options :
20∠-30°
20∠30°
20∠60°
20∠-60°
Answer :
20∠-60°
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