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Physics (AS & A Level) · Oct / Nov 2025 · Paper 12 · Question 32

9702Potential difference and power

The current in a resistor of constant resistance is 8.0 mA. The power dissipated by the resistor is P. The current in the resistor is increased to 12.0 mA. What is the new power dissipated by the resistor?

  1. A0.44P
  2. B0.67P
  3. C1.5P
  4. D2.3P

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Correct answer: D. 2.3P

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