Test Academy | 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 Z A = 10Ω and Z B =20∠60°Ω. The value of Z C in Ω , for which the voltage difference across the nodes n and n' is zero, is 20∠-30°, 20∠30°, 20∠60°, 20∠-60°

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 Z_A= 10Ω and Z_B=20∠60°Ω. The value of Z_C 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°

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