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Problem 6 - Entrance Test

Two resistors, R₁ and R₂, are connected in parallel. The equivalent resistance of the parallel combination is:

Correct: A

For resistors in parallel, 1/R_eq = 1/R₁ + 1/R₂. Solving for R_eq gives R_eq = R₁R₂ / (R₁ + R₂).