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Physics (AS & A Level) · Feb / March 2016 · Paper 12 · Question 31

9702Potential difference and power

A fixed resistor of resistance 12 Ω is connected to a battery. There is a current of 0.20 A in the resistor. The current is now doubled. What is the new power dissipated in the resistor?

  1. A0.48 W
  2. B0.96 W
  3. C1.92 W
  4. D4.8 W

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Correct answer: C. 1.92 W

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