The correct combination of three resistances 1Ω, 2Ω and 3Ω to get equivalent resistance 11/5Ω is
  • a)
    All three are combines in parallel
  • b)
    All three are combines in series
  • c)
    1Ω and 2Ω in parallel and 3Ω is in series to both
  • d)
    2Ω and 3Ω in parallel and 1Ω is in series to both
Correct answer is option 'D'. Can you explain this answer?

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Answers

Learners Habitat
Jan 26, 2022
According to option (d) 2Ωand3Ω are combined in a parallel combination. Hence equivalent resistance

R' combined in series to 1Ω
∴ Req = 
Hence, the combination scheme in option (d) is correct.

According to option (d) 2Ωand3Ω are combined in a parallel combination. Hence equivalent resistanceR combined in series to 1Ω∴ Req=Hence, the combination scheme in option (d) is correct.
According to option (d) 2Ωand3Ω are combined in a parallel combination. Hence equivalent resistanceR combined in series to 1Ω∴ Req=Hence, the combination scheme in option (d) is correct.