Two resistances R1 and R2 give combined resistance of 4.5 ohms when in series and 1 ohm when in parallel. The resistances are

Two resistances R1 and R2 give combined resistance of 4.5 ohms when i

1.	Two resistances R1 and R2 give combined resistance of 4.5 ohms when in series and 1 ohm when in parallel. The resistances are
A.	ohms and 6 ohms
B.	3 ohms and 9 ohms
C.	1.5 ohms and 3 ohms
D.	1.5 ohms and 0.5 ohms
Answer» D. 1.5 ohms and 0.5 ohms