Calculate the total resistance of three resistors: 5 Ω, 10 Ω, and 15 Ω connected in parallel.

3.75 Ω

30 Ω

10 Ω

1 Ω

Answer and Solution

A. 3.75 Ω

1/R_total = 1/5 + 1/10 + 1/15 => R_total = 3.75 Ω.

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