A 2 Ω, 4 Ω and 6 Ω resistor are in parallel. Equivalent resistance:
A12 Ω
B12/11 Ω
C2 Ω
D12/3 Ω
Answer & Solution
Correct answer: B. 12/11 Ω
1/R = 1/2 + 1/4 + 1/6 = 6/12 + 3/12 + 2/12 = 11/12. So R = 12/11 Ω ≈ 1.09 Ω.
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