Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

A $4.0\,\Omega$ resistor and a $12\,\Omega$ resistor are joined in parallel. What is the combined effective resistance of this resistor arrangement?

  • A$0.33\,\Omega$
  • B$3.0\,\Omega$
  • C$8.0\,\Omega$
  • D$16\,\Omega$

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