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Physics · Oct / Nov 2024 · Paper 12 · Question 28

5054Series and parallel circuits

Four resistors, each of resistance R, are connected in series with a cell of e.m.f. E. [circuit diagram: four resistors labelled R in series with a cell labelled E] From left to right, what is the current in each of the resistors?

  1. A\frac{E}{4R} \quad \frac{E}{4R} \quad \frac{E}{4R} \quad \frac{E}{4R}
  2. B\frac{E}{4R} \quad \frac{E}{3R} \quad \frac{E}{2R} \quad \frac{E}{R}
  3. C\frac{E}{R} \quad \frac{E}{2R} \quad \frac{E}{3R} \quad \frac{E}{4R}
  4. D\frac{E}{R} \quad \frac{E}{R} \quad \frac{E}{R} \quad \frac{E}{R}

As printed in the paper

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Correct answer: A. \frac{E}{4R} \quad \frac{E}{4R} \quad \frac{E}{4R} \quad \frac{E}{4R}

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