Equivalent resistance between A and B is
Two resistances R1 and R2 give an equivalent resistance of 4.5 Ω when connected in series and 1 Ω when connected in parallel. Then the value of resistances are___________.
Two resistances R1 and R2 give a combined resistance of 4.5 Ω when in series and 1 Ω when in parallel. The value of resistances are___________.
The correct combination of three resistances 1Ω, 2Ω and 3Ω to get equivalent resistance 115Ω is?