Physics 9702 · AS & A Level · Physical quantities

Physical quantities — practice question

A resistor has constant resistance and carries a current of $8.0\text{ mA}$. The power dissipated in the resistor is $P$. The current through the resistor is then raised to $12.0\text{ mA}$. What is the resistor’s new power dissipation?

  • A$0.44P$
  • B$0.67P$
  • C$1.5P$
  • D$2.3P$

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