1.

If the resistors of star connected system are R1, R2, R3 then the resistance between 3 and 1 in delta connected system will be?

A. (R1R2 + R2R3 + R3R1)/R1
B. (R1R2 + R2R3 + R3R1)/R3
C. (R1R2 + R2R3 + R3R1)/R2
D. (R1R2 + R2R3 + R3R1)/(R3+R1)
Answer» D. (R1R2 + R2R3 + R3R1)/(R3+R1)


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