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  9. Q400

RRB Group D (Level-1 posts) 2022 · Question 400 of 598

Two resistors of 6Ω and 12Ω are connected in parallel. What is the equivalent resistance?

  1. A3Ω
  2. B4ΩCorrect
  3. C2Ω
  4. D5Ω

Answer: B. 4Ω

Explanation

For parallel resistors, 1/R = 1/R₁ + 1/R₂ = 1/6 + 1/12 = 1/4. Therefore, R = 4Ω.

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary

← Q399View full paper (598 questions)Q401 →

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