If Ra, Rb and Rc are 20 Ω, 10 Ω and 10 Ω respectively are connected – McqOptions

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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

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