Mathematics · Electrical Networks and Ratios
Three resistors A(10 Ω), B(15 Ω), and C(30 Ω) are connected in parallel. This combination is connected in series with three other resistors D(10 Ω), F(15 Ω), and G(30 Ω) across a 12 V battery of negligible internal resistance. If PB and PF are the rates of energy dissipated in resistors B and F respectively, then the ratio PF/PB is:
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