In the delta equivalent of the given star connected circuit,

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In the delta equivalent of the given star connected circuit, Z_OR is equal to

1. 40 Ω
2. (20 + j10) Ω
3. 5 + j 10 Ω
  3
4. (10 + j30) Ω

Correct Option: D

Z_QR =	5 × 10 + 10 × j10 + j10 × 5	= (10 + j30 ) Ω
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