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1. |
If Ra, Rb and Rc are 20 Ω, 10 Ω and 10 Ω respectively are connected in delta connection. The resistances R1, R2 and R3 in Ω of an equivalent star connection are |
A. | 2.5, 5, 5 |
B. | 5, 2.5, 5 |
C. | 5, 5, 2.5 |
D. | 2.5, 5, 2.5 |
Answer» D. 2.5, 5, 2.5 | |