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

(R 1 R 2 + R 2 R 3 + R 3 R 1 )/(R 3 +R 1 )

If the resistors of star connected system are R1, R2, R3 then the resi

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.	(R<sub>1</sub>R<sub>2</sub> + R<sub>2</sub>R<sub>3</sub> + R<sub>3</sub>R<sub>1</sub>)/R<sub>1</sub>
B.	(R<sub>1</sub>R<sub>2</sub> + R<sub>2</sub>R<sub>3</sub> + R<sub>3</sub>R<sub>1</sub>)/R<sub>3</sub>
C.	(R<sub>1</sub>R<sub>2</sub> + R<sub>2</sub>R<sub>3</sub> + R<sub>3</sub>R<sub>1</sub>)/R<sub>2</sub>
D.	(R<sub>1</sub>R<sub>2</sub> + R<sub>2</sub>R<sub>3</sub> + R<sub>3</sub>R<sub>1</sub>)/(R<sub>3</sub>+R<sub>1</sub>)
Answer» D. (R<sub>1</sub>R<sub>2</sub> + R<sub>2</sub>R<sub>3</sub> + R<sub>3</sub>R<sub>1</sub>)/(R<sub>3</sub>+R<sub>1</sub>)