Two resistances R1 and R2 give combined resistance of 4.5 ohms when in series and 1 ohm when in parallel. The resistances are Options: A . &nbsp3 ohms and 6 ohms B . &nbsp3 ohms and 9 ohms C . &nbsp1.5 ohms and 3 ohms D . &nbsp1.5 ohms and 0.5 ohms

Two resistances R1 and R2 give combined resistance of 4.5 ohms when in series a

Question

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

Options:

A . 3 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: Option C

1.5 ohms and 3 ohms

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